RULER
Synthetic retrieval, multi-hop tracing, aggregation and QA tasks at configurable lengths. Measures effective context size.
Synthetic. Near-saturated for frontier models at 128K.
- Made by
- NVIDIA
- Released
- April 2024
- Kind
- Finding facts in long inputs
- Level
- Everyday
- Scored
- Checked automatically
- Answers
- Short answer
- Tasks
- All public
- Strongest model tested
-
Nemotron 3 Ultra #84 on the capability index
- Last in a launch post
- October 2026
- Last model added
- October 2026
- Scores refreshed
- November 12th, 2026
In the authors’ words
The needle-in-a-haystack (NIAH) test, which examines the ability to retrieve a piece of information (the "needle") from long distractor texts (the "haystack"), has been widely adopted to evaluate long-context language models (LMs). However, this simple retrieval-based test is indicative of only a superficial form of long-context understanding. To provide a more comprehensive evaluation of long-context LMs, we create a new synthetic benchmark RULER with flexible configurations for customized sequence length and task complexity. RULER expands upon the vanilla NIAH test to encompass variations with diverse types and quantities of needles. Moreover, RULER introduces new task categories multi-hop tracing and aggregation to test behaviors beyond searching from context. We evaluate 17 long-context LMs with 13 representative tasks in RULER. Despite achieving nearly perfect accuracy in the vanilla NIAH test, almost all models exhibit large performance drops as the context length increases. While these models all claim context sizes of 32K tokens or greater, only half of them can maintain satisfactory performance at the length of 32K. Our analysis of Yi-34B, which supports context length of 200K, reveals large room for improvement as we increase input length and task complexity. We open source RULER to spur comprehensive evaluation of long-context LMs.
Nemotron-Cascade 2 30B-A3B leads with 99%
Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.
Qwen2.5-14B-Instruct-1M leads with 95.7% across all independent runs
Best score per model across the official leaderboard, Epoch AI’s own runs and any board Epoch AI copied. Each bar and row names its source.
Nemotron-Cascade 2 30B-A3B leads with 99%, claims included
Best score per model from every source, including labs’ own numbers and claims Epoch AI collected from reports and papers. Labs pick their own settings, so a claim can beat an independent run of the same model.
- 99.0
Nemotron-Cascade 2 30B-A3B
- 96.4
Gemma 4 31B IT
- 96.0
Mistral Medium 3
- 95.7
Qwen2.5-14B-Instruct-1M
- 95.1
Qwen2.5-72B
- 95.0
Cohere Command A
- 95.0
Qwen3-235B-A22B
- 94.7
Nemotron 3 Ultra
- 94.6
Qwen3-14B
- 94.6
seed-oss-36b-instruct
- 93.7
Qwen3-32B
- 93.1
Qwen-Turbo
- 92.9
Qwen2.5-32B
- 92.5
Nemotron 3 Ultra 550B-A55B Base
- 91.8
Nemotron 3 Super
- 91.6
Qwen3-30B-A3B
- 91.5
Nemotron 3.5 Lightning 30B-A3B
- 91.4
Qwen2.5-14B
- 91.1
Nemotron 3 Nano 4B
- 91.0
MiniMax-Text-01
- 89.8
Gemma 4 26B A4B
- 89.1
Qwen3-8B
- 88.2
EXAONE 4.0 32B
- 87.9
InternLM3-8B-Instruct
- 87.1
Phi-3.5-MoE
- 86.6
Gemma 4 E4B
- 86.3
Nemotron 3 Nano 30B-A3B
- 85.8
Nemotron 3.5 Bolt E4B
- 85.4
Qwen2.5-7B
- 85.2
Qwen3-4B
- 84.1
Phi-3.5-mini
- 81.4 Granite 4.2 30B
- 81.2
Mistral Small 3.1
- 78.9 nvidia-nemotron-nano-9b-v2
- 76.7
Hunyuan-A13B-Instruct
- 75.4
Nemotron 3 Nano 30B-A3B Base
- 72.1
Nemotron Nano 12B v2 VL
- 70.4
Gemma 4 E2B
- 66.0
Gemma 3 27B
- 65.6 LFM3-1.7B
- 57.1
Gemma 3 12B
- 46.8
Gemma 3 4B
- 1
Nemotron-Cascade 2 30B-A3B 99%
- 2
Gemma 4 31B IT 96.4%
- 3
Mistral Medium 3 96%
- 4
Qwen2.5-14B-Instruct-1M 95.7%
- 5
Qwen2.5-72B 95.1%
- 6
Cohere Command A 95%
- 7
Qwen3-235B-A22B 95%
- 8
Nemotron 3 Ultra 94.7%
- 9
Qwen3-14B 94.6%
- 10
seed-oss-36b-instruct 94.6%
- 11
Qwen3-32B 93.7%
- 12
Qwen-Turbo 93.1%
- 13
Qwen2.5-32B 92.9%
- 14
Nemotron 3 Ultra 550B-A55B Base 92.5%
- 15
Nemotron 3 Super 91.8%
- 16
Qwen3-30B-A3B 91.6%
- 17
Nemotron 3.5 Lightning 30B-A3B 91.5%
- 18
Qwen2.5-14B 91.4%
- 19
Nemotron 3 Nano 4B 91.1%
- 20
MiniMax-Text-01 91%
- 21
Gemma 4 26B A4B 89.8%
- 22
Qwen3-8B 89.1%
- 23
EXAONE 4.0 32B 88.2%
- 24
InternLM3-8B-Instruct 87.9%
- 25
Phi-3.5-MoE 87.1%
- 26
Gemma 4 E4B 86.6%
- 27
Nemotron 3 Nano 30B-A3B 86.3%
- 28
Nemotron 3.5 Bolt E4B 85.8%
- 29
Qwen2.5-7B 85.4%
- 30
Qwen3-4B 85.2%
- 31
Phi-3.5-mini 84.1%
- 32 Granite 4.2 30B 81.4%
- 33
Mistral Small 3.1 81.2%
- 34 nvidia-nemotron-nano-9b-v2 78.9%
- 35
Hunyuan-A13B-Instruct 76.7%
- 36
Nemotron 3 Nano 30B-A3B Base 75.4%
- 37
Nemotron Nano 12B v2 VL 72.1%
- 38
Gemma 4 E2B 70.4%
- 39
Gemma 3 27B 66%
- 40 LFM3-1.7B 65.6%
- 41
Gemma 3 12B 57.1%
- 42
Gemma 3 4B 46.8%
Source: Labs’ model cards
- 95.7
Qwen2.5-14B-Instruct-1M
- 95.0
Qwen3-235B-A22B
- 94.6
Qwen3-14B
- 93.7
Qwen3-32B
- 93.1
EXAONE 4.0 32B
- 91.6
Qwen3-30B-A3B
- 89.1
Qwen3-8B
- 88.9 c4ai-command-r-08-2024
- 88.3
Command R (03-2024)
- 85.9
Qwen2-72B
- 85.2
Qwen3-4B
- 84.8
Phi-3-mini-128k-instruct
- 81.5
Phi-3-medium-128k-instruct
- 68.4
Mistral-7B-Instruct-v0.2
- 55.7
Qwen1.5-72B
- 1
Qwen2.5-14B-Instruct-1M 95.7%
- 2
Qwen3-235B-A22B 95%
- 3
Qwen3-14B 94.6%
- 4
Qwen3-32B 93.7%
- 5
EXAONE 4.0 32B 93.1%
- 6
Qwen3-30B-A3B 91.6%
- 7
Qwen3-8B 89.1%
- 8 c4ai-command-r-08-2024 88.9%
- 9
Command R (03-2024) 88.3%
- 10
Qwen2-72B 85.9%
- 11
Qwen3-4B 85.2%
- 12
Phi-3-mini-128k-instruct 84.8%
- 13
Phi-3-medium-128k-instruct 81.5%
- 14
Mistral-7B-Instruct-v0.2 68.4%
- 15
Qwen1.5-72B 55.7%
Source: Official RULER leaderboard
- 99.0
Nemotron-Cascade 2 30B-A3B
- 96.4
Gemma 4 31B IT
- 96.0
Mistral Medium 3
- 95.7
Qwen2.5-14B-Instruct-1M
- 95.1
Qwen2.5-72B
- 95.0
Cohere Command A
- 95.0
Qwen3-235B-A22B
- 94.7
Nemotron 3 Ultra
- 94.6
Qwen3-14B
- 94.6
seed-oss-36b-instruct
- 93.7
Qwen3-32B
- 93.1
Qwen-Turbo
- 93.1
EXAONE 4.0 32B
- 92.9
Qwen2.5-32B
- 92.5
Nemotron 3 Ultra 550B-A55B Base
- 91.8
Nemotron 3 Super
- 91.6
Qwen3-30B-A3B
- 91.5
Nemotron 3.5 Lightning 30B-A3B
- 91.4
Qwen2.5-14B
- 91.1
Nemotron 3 Nano 4B
- 91.0
MiniMax-Text-01
- 89.8
Gemma 4 26B A4B
- 89.1
Qwen3-8B
- 88.9 c4ai-command-r-08-2024
- 88.3
Command R (03-2024)
- 87.9
InternLM3-8B-Instruct
- 87.1
Phi-3.5-MoE
- 86.6
Gemma 4 E4B
- 86.3
Nemotron 3 Nano 30B-A3B
- 85.9
Qwen2-72B
- 85.8
Nemotron 3.5 Bolt E4B
- 85.4
Qwen2.5-7B
- 85.2
Qwen3-4B
- 84.8
Phi-3-mini-128k-instruct
- 84.1
Phi-3.5-mini
- 81.5
Phi-3-medium-128k-instruct
- 81.4 Granite 4.2 30B
- 81.2
Mistral Small 3.1
- 78.9 nvidia-nemotron-nano-9b-v2
- 76.7
Hunyuan-A13B-Instruct
- 75.4
Nemotron 3 Nano 30B-A3B Base
- 72.1
Nemotron Nano 12B v2 VL
- 70.4
Gemma 4 E2B
- 68.4
Mistral-7B-Instruct-v0.2
- 66.0
Gemma 3 27B
- 65.6 LFM3-1.7B
- 57.1
Gemma 3 12B
- 55.7
Qwen1.5-72B
- 46.8
Gemma 3 4B
- 1
Nemotron-Cascade 2 30B-A3B 99%
- 2
Gemma 4 31B IT 96.4%
- 3
Mistral Medium 3 96%
- 4
Qwen2.5-14B-Instruct-1M 95.7%
- 5
Qwen2.5-72B 95.1%
- 6
Cohere Command A 95%
- 7
Qwen3-235B-A22B 95%
- 8
Nemotron 3 Ultra 94.7%
- 9
Qwen3-14B 94.6%
- 10
seed-oss-36b-instruct 94.6%
- 11
Qwen3-32B 93.7%
- 12
Qwen-Turbo 93.1%
- 13
EXAONE 4.0 32B 93.1%
- 14
Qwen2.5-32B 92.9%
- 15
Nemotron 3 Ultra 550B-A55B Base 92.5%
- 16
Nemotron 3 Super 91.8%
- 17
Qwen3-30B-A3B 91.6%
- 18
Nemotron 3.5 Lightning 30B-A3B 91.5%
- 19
Qwen2.5-14B 91.4%
- 20
Nemotron 3 Nano 4B 91.1%
- 21
MiniMax-Text-01 91%
- 22
Gemma 4 26B A4B 89.8%
- 23
Qwen3-8B 89.1%
- 24 c4ai-command-r-08-2024 88.9%
- 25
Command R (03-2024) 88.3%
- 26
InternLM3-8B-Instruct 87.9%
- 27
Phi-3.5-MoE 87.1%
- 28
Gemma 4 E4B 86.6%
- 29
Nemotron 3 Nano 30B-A3B 86.3%
- 30
Qwen2-72B 85.9%
- 31
Nemotron 3.5 Bolt E4B 85.8%
- 32
Qwen2.5-7B 85.4%
- 33
Qwen3-4B 85.2%
- 34
Phi-3-mini-128k-instruct 84.8%
- 35
Phi-3.5-mini 84.1%
- 36
Phi-3-medium-128k-instruct 81.5%
- 37 Granite 4.2 30B 81.4%
- 38
Mistral Small 3.1 81.2%
- 39 nvidia-nemotron-nano-9b-v2 78.9%
- 40
Hunyuan-A13B-Instruct 76.7%
- 41
Nemotron 3 Nano 30B-A3B Base 75.4%
- 42
Nemotron Nano 12B v2 VL 72.1%
- 43
Gemma 4 E2B 70.4%
- 44
Mistral-7B-Instruct-v0.2 68.4%
- 45
Gemma 3 27B 66%
- 46 LFM3-1.7B 65.6%
- 47
Gemma 3 12B 57.1%
- 48
Qwen1.5-72B 55.7%
- 49
Gemma 3 4B 46.8%
Sources: Labs’ model cards and official RULER leaderboard
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | | 99% | Mar 2026 | Lab model card | |
| 2 | | 96.4% | Jul 2026 | Lab model card | |
| 3 | | 96% | May 2025 | Lab model card | |
| 4 | | 95.7% | Jan 2025 | Lab model card | |
| 5 | | 95.1% | Dec 2024 | Lab model card | |
| 6 | | 95% | Apr 2025 | Lab model card | |
| 7 | | 95% | May 2025 | Lab model card | |
| 8 | | 94.7% | Jun 2026 | Lab model card | |
| 9 | | 94.6% | May 2025 | Lab model card | |
| 10 | | 94.6% | Aug 2025 | Lab model card | |
| 11 | | 93.7% | May 2025 | Lab model card | |
| 12 | | 93.1% | Dec 2024 | Lab model card | |
| 13 | | 92.9% | Dec 2024 | Lab model card | |
| 14 | | 92.5% | Jun 2026 | Lab model card | |
| 15 | | 91.8% | Mar 2026 | Lab model card | |
| 16 | | 91.6% | May 2025 | Lab model card | |
| 17 | | 91.5% | Oct 2026 | Lab model card | |
| 18 | | 91.4% | Dec 2024 | Lab model card | |
| 19 | | 91.1% | Mar 2026 | Lab model card | |
| 20 | | 91% | Jan 2025 | Lab model card | |
| 21 | | 89.8% | Jul 2026 | Lab model card | |
| 22 | | 89.1% | May 2025 | Lab model card | |
| 23 | | 88.2% | Jul 2025 | Lab model card | |
| 24 | | 87.9% | Jan 2025 | Lab model card | |
| 25 | | 87.1% | Aug 2024 | Lab model card | |
| 26 | | 86.6% | Jul 2026 | Lab model card | |
| 27 | | 86.3% | Dec 2025 | Lab model card | |
| 28 | | 85.8% | Oct 2026 | Lab model card | |
| 29 | | 85.4% | Dec 2024 | Lab model card | |
| 30 | | 85.2% | May 2025 | Lab model card | |
| 31 | | 84.1% | Aug 2024 | Lab model card | |
| 32 | Granite 4.2 30B | 81.4% | Aug 2026 | Lab model card | |
| 33 | | 81.2% | Mar 2025 | Lab model card | |
| 34 | nvidia-nemotron-nano-9b-v2 | 78.9% | Aug 2025 | Lab model card | |
| 35 | | 76.7% | Jun 2025 | Lab model card | |
| 36 | | 75.4% | Dec 2025 | Lab model card | |
| 37 | | 72.1% | Nov 2025 | Lab model card | |
| 38 | | 70.4% | Jul 2026 | Lab model card | |
| 39 | | 66% | Mar 2025 | Lab model card | |
| 40 | LFM3-1.7B | 65.6% | Oct 2026 | Lab model card | |
| 41 | | 57.1% | Mar 2025 | Lab model card | |
| 42 | | 46.8% | Mar 2025 | Lab model card |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | | 95.7% | Jan 2025 | Official leaderboard | |
| 2 | | 95% | Apr 2025 | Official leaderboard | |
| 3 | | 94.6% | Apr 2025 | Official leaderboard | |
| 4 | | 93.7% | Apr 2025 | Official leaderboard | |
| 5 | | 93.1% | Jul 2025 | Official leaderboard | |
| 6 | | 91.6% | Apr 2025 | Official leaderboard | |
| 7 | | 89.1% | Apr 2025 | Official leaderboard | |
| 8 | c4ai-command-r-08-2024 | 88.9% | Aug 2024 | Official leaderboard | |
| 9 | | 88.3% | Mar 2024 | Official leaderboard | |
| 10 | | 85.9% | Jun 2024 | Official leaderboard | |
| 11 | | 85.2% | Apr 2025 | Official leaderboard | |
| 12 | | 84.8% | Apr 2024 | Official leaderboard | |
| 13 | | 81.5% | May 2024 | Official leaderboard | |
| 14 | | 68.4% | Dec 2023 | Official leaderboard | |
| 15 | | 55.7% | Feb 2024 | Official leaderboard |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | | 99% | Mar 2026 | Lab model card | |
| 2 | | 96.4% | Jul 2026 | Lab model card | |
| 3 | | 96% | May 2025 | Lab model card | |
| 4 | | 95.7% | Jan 2025 | Official leaderboard | |
| 5 | | 95.1% | Dec 2024 | Lab model card | |
| 6 | | 95% | Apr 2025 | Lab model card | |
| 7 | | 95% | Apr 2025 | Official leaderboard | |
| 8 | | 94.7% | Jun 2026 | Lab model card | |
| 9 | | 94.6% | Apr 2025 | Official leaderboard | |
| 10 | | 94.6% | Aug 2025 | Lab model card | |
| 11 | | 93.7% | Apr 2025 | Official leaderboard | |
| 12 | | 93.1% | Dec 2024 | Lab model card | |
| 13 | | 93.1% | Jul 2025 | Official leaderboard | |
| 14 | | 92.9% | Dec 2024 | Lab model card | |
| 15 | | 92.5% | Jun 2026 | Lab model card | |
| 16 | | 91.8% | Mar 2026 | Lab model card | |
| 17 | | 91.6% | Apr 2025 | Official leaderboard | |
| 18 | | 91.5% | Oct 2026 | Lab model card | |
| 19 | | 91.4% | Dec 2024 | Lab model card | |
| 20 | | 91.1% | Mar 2026 | Lab model card | |
| 21 | | 91% | Jan 2025 | Lab model card | |
| 22 | | 89.8% | Jul 2026 | Lab model card | |
| 23 | | 89.1% | Apr 2025 | Official leaderboard | |
| 24 | c4ai-command-r-08-2024 | 88.9% | Aug 2024 | Official leaderboard | |
| 25 | | 88.3% | Mar 2024 | Official leaderboard | |
| 26 | | 87.9% | Jan 2025 | Lab model card | |
| 27 | | 87.1% | Aug 2024 | Lab model card | |
| 28 | | 86.6% | Jul 2026 | Lab model card | |
| 29 | | 86.3% | Dec 2025 | Lab model card | |
| 30 | | 85.9% | Jun 2024 | Official leaderboard | |
| 31 | | 85.8% | Oct 2026 | Lab model card | |
| 32 | | 85.4% | Dec 2024 | Lab model card | |
| 33 | | 85.2% | Apr 2025 | Official leaderboard | |
| 34 | | 84.8% | Apr 2024 | Official leaderboard | |
| 35 | | 84.1% | Aug 2024 | Lab model card | |
| 36 | | 81.5% | May 2024 | Official leaderboard | |
| 37 | Granite 4.2 30B | 81.4% | Aug 2026 | Lab model card | |
| 38 | | 81.2% | Mar 2025 | Lab model card | |
| 39 | nvidia-nemotron-nano-9b-v2 | 78.9% | Aug 2025 | Lab model card | |
| 40 | | 76.7% | Jun 2025 | Lab model card | |
| 41 | | 75.4% | Dec 2025 | Lab model card | |
| 42 | | 72.1% | Nov 2025 | Lab model card | |
| 43 | | 70.4% | Jul 2026 | Lab model card | |
| 44 | | 68.4% | Dec 2023 | Official leaderboard | |
| 45 | | 66% | Mar 2025 | Lab model card | |
| 46 | LFM3-1.7B | 65.6% | Oct 2026 | Lab model card | |
| 47 | | 57.1% | Mar 2025 | Lab model card | |
| 48 | | 55.7% | Feb 2024 | Official leaderboard | |
| 49 | | 46.8% | Mar 2025 | Lab model card |
The benchmark's own leaderboard has 44 entries, 15 of them models we track. Switch the scores above to rank them together.
5 models have held number one in labs’ own numbers since its release in April 2024 3 models have held number one across all independent runs since its release in April 2024 6 models have held number one with claims included since its release in April 2024
Lab claims count from the day the card came out, independent runs from the model’s release. We draw one row each for the benchmark’s own leaderboard and what labs claim in their cards.
Sources: Official RULER leaderboard and labs’ model cards
Command R (03-2024) on the official leaderboard passed 85% in March 2024
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Sources: Official RULER leaderboard and labs’ model cards
3 labs put it in a launch post in the last six months
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| Oct 27, 2026 | LFM3-1.7B | 65.6 | RULER 128K |
| Oct 23, 2026 | 85.8 | RULER (64K, non-reasoning) | |
| Aug 25, 2026 | Granite 4.2 30B | 81.4 | RULER 128K (64K 89.96) |
| Jun 4, 2026 | 94.7 | RULER (1M) | |
| Mar 19, 2026 | 99 | NIAH@1M (RULER Subset) | |
| Mar 16, 2026 | 91.1 | RULER (128k, reasoning off) | |
| Mar 11, 2026 | 91.8 | RULER @ 1M | |
| Dec 15, 2025 | 86.3 | RULER-100@1M | |
| Aug 20, 2025 | 94.6 | RULER (128K) | |
| Aug 18, 2025 | 78.9 | RULER (128K) | |
| Jul 15, 2025 | 88.2 | RULER (non-reasoning) | |
| May 7, 2025 | 96 | Best of RULER 32K / RULER 128K | |
| Mar 17, 2025 | 81.2 | RULER 128K (RULER 32K 93.96) | |
| Jan 27, 2025 | 95.7 | RULER Avg. (4K to 128K) | |
| Jan 15, 2025 | 91 | Ruler (1M) | |
| Jan 13, 2025 | 87.9 | RULER(4-128K Average) |
37 system cards report it, from 10 labs
Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.
| Date | Document | Score | As the document writes it | Section |
|---|---|---|---|---|
| Oct 23, 2026 | | 85.8 | RULER (64K), non-reasoning, released Q4_K_M imatrix checkpoint (Table 5). BF16 86.99 (Table 3) | Capabilities |
| Oct 15, 2026 | | 91.5 | RULER-v1 (1M), BF16 acc. (Table 22) | Capabilities |
| Jul 24, 2026 | | 86.6 | RULER accuracy, 128k, without thinking (Table 9) | Capabilities |
| Jul 24, 2026 | | 70.4 | RULER accuracy, 128k, without thinking (Table 9) | Capabilities |
| Jul 24, 2026 | | 96.4 | RULER accuracy, 128k, without thinking (Table 9). 32k: 96.8 | Capabilities |
| Jul 24, 2026 | | 89.8 | RULER accuracy, 128k, without thinking (Table 9). 32k: 97.3 | Capabilities |
| Jun 9, 2026 | | 94.7 | RULER (1M) (Table 10) | Capabilities |
| Jun 4, 2026 | | 92.5 | RULER 128K, 0-shot (64K 95.30, 256K 86.22, 512K 84.54, 1M 76.83) | Capabilities |
| Mar 19, 2026 | | 99 | NIAH@1M (RULER Subset), four NIAH variants at 1M tokens (Table 1 and A.5) | Capabilities |
| Mar 11, 2026 | | 91.6 | RULER 1M (Table 5). 256k 96.83, 512k 95.22, and 128k 97.04 in Table 8 BF16 | Capabilities |
| Dec 23, 2025 | | 86.3 | RULER-100 @ 1M, reasoning off (Table 3). 256k 92.92, 512K 91.25 | Capabilities |
| Dec 23, 2025 | | 75.4 | RULER, 256K 0-shot accuracy, 64K 87.50 and 128K 82.92, base model Table 2 | Capabilities |
| Nov 6, 2025 | | 72.1 | RULER, reasoning on, SFT stage 4, length not stated (Table 6) | Capabilities |
| Sep 30, 2025 | | RULER, no overall score: 32k 84.3, 128k 69.7 (Table 14) | Capabilities | |
| Sep 17, 2025 | | RULER by context length with no overall (Table 23): 4k 94.8, 8k 89.9, 16k 85.7, 32k 81.9, 64k 67.3 | Capabilities | |
| Aug 20, 2025 | | 78.9 | RULER 128k, NVIDIA-Nemotron-Nano-9B-v2 (Figure 1) | Capabilities |
| Jul 15, 2025 | | 88.2 | RULER, 128K, Non-reasoning only (Table 4). 4K 96.26 to 64K 91.73 in Table 10 | Capabilities |
| Jun 26, 2025 | | 76.7 | RULER QA sub-task Avg., 0-8K 78.7, 8K-32K 75.3, 32K-64K 78.0, 64K-128K 73.9 (Table 6) | Capabilities |
| May 14, 2025 | | 89.1 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 77.4. Thinking mode Avg. 84.4 with 8192-token thinking budget (Table 23) | Capabilities |
| May 14, 2025 | | 85.2 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 66.0. Thinking mode Avg. 83.5 with 8192-token thinking budget (Table 23) | Capabilities |
| May 14, 2025 | | 93.7 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 85.6. Thinking mode Avg. 91.0 with 8192-token thinking budget (Table 23) | Capabilities |
| May 14, 2025 | | 91.6 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 79.2. Thinking mode Avg. 86.6 with 8192-token thinking budget (Table 23) | Capabilities |
| May 14, 2025 | | 95 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 90.6. Thinking mode Avg. 92.2 with 8192-token thinking budget (Table 23) | Capabilities |
| May 14, 2025 | | 94.6 | RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 85.1. Thinking mode Avg. 90.1 with 8192-token thinking budget (Table 23) | Capabilities |
| Apr 1, 2025 | | 95 | RULER average up to 128k (Table 21). 128k 90.0, 256k 84.6 | Capabilities |
| Mar 25, 2025 | | 46.8 | RULER 128K, IT (Table 15). RULER 32K IT: 61.4 | Capabilities |
| Mar 25, 2025 | | 66 | RULER 128K, IT (Table 15). RULER 32K IT: 91.1 | Capabilities |
| Mar 25, 2025 | | 57.1 | RULER 128K, IT (Table 15). RULER 32K IT: 80.3 | Capabilities |
| Jan 26, 2025 | | 95.7 | RULER Avg. (4K to 128K) (Table 4). 4K 97.5, 8K 97.1, 16K 94.6, 32K 94.9, 64K 94.9, 128K 92.2 | Capabilities |
| Jan 14, 2025 | | 91 | Ruler, 1M column, 0.910 (Table 9). 128k 0.947, 64k 0.943 | Capabilities |
| Dec 19, 2024 | | 85.4 | RULER Avg. 4K to 128K, with YARN+DCA, 128K 55.1 (Table 16) | Capabilities |
| Dec 19, 2024 | | 95.1 | RULER Avg. 4K to 128K, with YARN+DCA, 128K 88.4 (Table 16) | Capabilities |
| Dec 19, 2024 | | 92.9 | RULER Avg. 4K to 128K, with YARN+DCA, 128K 82.0 (Table 16) | Capabilities |
| Dec 19, 2024 | | 91.4 | RULER Avg. 4K to 128K, with YARN+DCA, 128K 78.1 (Table 16) | Capabilities |
| Dec 19, 2024 | | 93.1 | RULER Avg. 4K to 128K, 128K 84.5 (Table 16) | Capabilities |
| Aug 30, 2024 | | 87.1 | RULER, average over 4k to 128k (Table 2), 128k alone 64.2 | Capabilities |
| Aug 30, 2024 | | 84.1 | RULER, average over 4k to 128k (Table 2), 128k alone 63.6 | Capabilities |
8 lab claims next to the leaderboard
Each score a lab reported for its own model, beside the same model's best score on the leaderboard. Gaps mostly come from different harnesses, effort levels and task subsets. 7 of them match, which usually means one side copied the other. Every benchmark.
| Model | Lab says | Board says | Gap |
|---|---|---|---|
| | 88.2% RULER (non-reasoning) | 93.1% Leaderboard | −4.9 pts |
| | 95.7% RULER Avg. (4K to 128K) | 95.7% Leaderboard | Same |
| | 94.6% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 85.1. Thinking mode Avg. 90.1 with 8192-token thinking budget (Table 23) | 94.6% Leaderboard | Same |
| | 95% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 90.6. Thinking mode Avg. 92.2 with 8192-token thinking budget (Table 23) | 95% Leaderboard | Same |
| | 91.6% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 79.2. Thinking mode Avg. 86.6 with 8192-token thinking budget (Table 23) | 91.6% Leaderboard | Same |
| | 93.7% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 85.6. Thinking mode Avg. 91.0 with 8192-token thinking budget (Table 23) | 93.7% Leaderboard | Same |
| | 85.2% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 66.0. Thinking mode Avg. 83.5 with 8192-token thinking budget (Table 23) | 85.2% Leaderboard | Same |
| | 89.1% RULER Avg. (4K to 128K, YaRN x4), non-thinking mode, 128K 77.4. Thinking mode Avg. 84.4 with 8192-token thinking budget (Table 23) | 89.1% Leaderboard | Same |
Versions
We switch the top row to each new version when it comes out. Open it for one row per version. An old version stays in play while people still test it, so whoever first takes it past 85% gets credit for closing it out.
Sources: Official leaderboards and labs’ model cards
More in Long context
- MRCR v2 In use Multi-round coreference: retrieve the n-th of several similar requests hidden in a long synthetic conversation, up to 1M tokens.
Muse Spark 1.3 98.5%
- LongBench v2 In use 503 multiple-choice questions over 8K-2M-word contexts (QA, dialogue, code repos, structured data). Accuracy.
Inkling 2 Small 70.6%
- GraphWalks In use A graph is given as an edge list in long context. The model answers BFS or parent queries, scored by F1. Claude Fable 5 99.96%
- OpenAI MRCR v2 In use Models read a long synthetic chat that hides 2, 4 or 8 identical writing requests and must reproduce the response to the i-th one. Scored by mean string match ratio per context bin.
Gemini 3.7 Flash 89%
- CL-bench In use Model must learn new knowledge from a supplied long context (rules, procedures, data) and solve tasks. Strict LLM-verified rubrics. GPT-5.4 27.9%
- AA-LCR 1.1 In use Models answer 100 questions that need reasoning across sets of real documents of about 100K tokens. An LLM equality checker with a fixed system prompt compares each answer with the key.
Step 5 Preview 88.3%