Agents' Last Exam
1,500+ expert-sourced tasks from real projects across 55 occupations in three difficulty tiers. Objective verifiers grade deliverables. 5-hour cap.
Rolling benchmark. GitHub has about 150 public reference tasks from the larger corpus. All agents scored 0% on the hardest tier at launch.
- Made by
- UC Berkeley RDI + 300+ experts
- Released
- June 2026
- Kind
- Tasks from real jobs
- Level
- Expert
- Scored
- Checked automatically
- Answers
- Agent task
- Tasks
- Public, plus a private test set
- Strongest model tested
- GPT-6 Astra #3 on the capability index
- Last in a launch post
- November 2026
- Last model added
- November 2026
- Scores refreshed
- November 12th, 2026
In the authors’ words
Recent AI systems have achieved strong results on a wide range of benchmarks, yet these gains have not translated into economically meaningful deployment across many professional domains. We argue that this gap is largely an evaluation problem: widely used benchmarks lack sustained performance measurement on real and economically valuable workflows. This paper introduces Agents' Last Exam (ALE), a benchmark designed to evaluate AI agents on long horizon, economically valuable, real world tasks with verifiable outcomes. Developed in collaboration with 250+ industry experts, ALE covers non-physical industries defined with reference to O*NET / SOC 2018 (the U.S. federal occupational taxonomy). It is organized around a task taxonomy with 55 sub fields grouped into 13 industry clusters covering 1K+ tasks. Current results show that the hardest tier remains far from saturated: across mainstream harness and backbone configurations, the average full pass rate is below 1%. ALE is designed as a living benchmark: its task pool grows continuously as new workflows and industries are onboarded. More broadly, ALE is intended not merely as another leaderboard, but as an instrument for closing the gap between benchmark success and GDP relevant impact.
Claude Opus 5.5 leads with 38.2%
Best score per entry from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best. Every run is in the next chart. Names in gray aren't in our model list: fine-tunes, agent systems, products and older models. They don't count toward leaders.
Muse Ember leads with 61.6%, 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.
- 38.2 Claude Opus 5.5
- 34.2 GPT-6 Astra
- 32.2 Claude Opus 5
- 32.2
Muse Spark 1.3
- 32.2 GPT-6 Sol
- 30.6 GPT-5.6 Sol
- 30.3 GPT-5.6 Luna
- 29.6
MiniMax-M3.1-Flash
- 28.3 Kimi K3
- 28.0 GPT-5.6 Terra
- 27.0 Claude Opus 4.8
- 27.0 Grok 4.5
- 27.0
Qwen 3.8 Max
- 26.6 GPT-5.5
- 25.7 Claude Fable 5
- 25.0 GPT-6 Luna
- 21.7 Agnes-2.5-Pro-Beta
- 21.1 Claude Opus 4.7
- 20.5 GPT-5.4
- 20.4 Composer 2.5
- 20.4 GLM-5.2
- 20.4
Qwen 3.8 27B
- 19.1 ark-0614c
- 16.4
Gemini 3.1 Pro
- 12.4
DeepSeek-V4-Pro
- 11.8
Qwen3.7-Max
- 11.5 GLM-5.1
- 9.21 Kimi K2.6
- 8.55
Qwen 3.6 Plus
- 8.55 MiMo-V2.5
- 7.24 Grok 4.3
- 5.92
MiniMax-M2.7
- 4.61 Grok 3
- 1 Claude Opus 5.5 max 38.2%
- 2 GPT-6 Astra max 34.2%
- 3 Claude Opus 5 high 32.2%
- 4
Muse Spark 1.3 xhigh 32.2%
- 5 GPT-6 Sol xhigh 32.2%
- 6 GPT-5.6 Sol xhigh 30.6%
- 7 GPT-5.6 Luna xhigh 30.3%
- 8
MiniMax-M3.1-Flash high 29.6%
- 9 Kimi K3 max 28.3%
- 10 GPT-5.6 Terra max 28%
- 11 Claude Opus 4.8 max 27%
- 12 Grok 4.5 high 27%
- 13
Qwen 3.8 Max xhigh 27%
- 14 GPT-5.5 xhigh 26.6%
- 15 Claude Fable 5 xhigh 25.7%
- 16 GPT-6 Luna max 25%
- 17 Agnes-2.5-Pro-Beta 21.7%
- 18 Claude Opus 4.7 high 21.1%
- 19 GPT-5.4 20.5%
- 20 Composer 2.5 20.4%
- 21 GLM-5.2 max 20.4%
- 22
Qwen 3.8 27B max 20.4%
- 23 ark-0614c 19.1%
- 24
Gemini 3.1 Pro 16.4%
- 25
DeepSeek-V4-Pro 12.4%
- 26
Qwen3.7-Max 11.8%
- 27 GLM-5.1 11.5%
- 28 Kimi K2.6 9.21%
- 29
Qwen 3.6 Plus 8.55%
- 30 MiMo-V2.5 8.55%
- 31 Grok 4.3 7.24%
- 32
MiniMax-M2.7 5.92%
- 33 Grok 3 4.61%
Source: Official Agents' Last Exam leaderboard
- 61.6
Muse Ember
- 59.3 GPT-6 Astra
- 56.4 GPT-6 Sol
- 53.6 GPT-5.6 Sol
- 50.9 GPT-6 Luna
- 50.4 GPT-5.6 Terra
- 50.3 GPT-5.6 Luna
- 43.2 Kimi K3.1 Pro
- 39.5
Gemini 4 Argon
- 38.2 Claude Opus 5.5
- 35.4
DeepSeek V4.1 Flash 1017
- 32.2 Claude Opus 5
- 32.2
Muse Spark 1.3
- 31.8
DeepSeek V4.1 Flash
- 31.6 MiMo-V2.6 Pro
- 29.6
MiniMax-M3.1-Flash
- 29.5
Step 5 Preview
- 28.5 GLM-5.3
- 28.3 Kimi K3
- 27.3
DeepSeek-V4-Flash-Vision-Exp
- 27.0
Qwen 3.8 Max
- 27.0 Claude Opus 4.8
- 27.0 Grok 4.5
- 26.6 GPT-5.5
- 26.3
Gemini 3.7 Flash
- 26.3 GLM-5.3-Flash
- 25.7
DeepSeek V4 Pro 0813
- 25.7 Claude Fable 5
- 25.2
DeepSeek V4 Flash 0731
- 24.3
Qwen3.8 Flash
- 22.8
Tencent Hy4 preview
- 21.1 Claude Opus 4.7
- 20.5 GPT-5.4
- 20.4
Qwen 3.8 27B
- 20.4 Composer 2.5
- 20.4 GLM-5.2
- 19.5
Seed2.1 Pro
- 16.4
Gemini 3.1 Pro
- 12.4
DeepSeek-V4-Pro
- 11.8
Qwen3.7-Max
- 11.5 GLM-5.1
- 9.21 Kimi K2.6
- 8.55
Qwen 3.6 Plus
- 8.55 MiMo-V2.5
- 7.24 Grok 4.3
- 5.92
MiniMax-M2.7
- 4.61 Grok 3
- 1
Muse Ember 61.6%
- 2 GPT-6 Astra 59.3%
- 3 GPT-6 Sol 56.4%
- 4 GPT-5.6 Sol 53.6%
- 5 GPT-6 Luna 50.9%
- 6 GPT-5.6 Terra 50.4%
- 7 GPT-5.6 Luna 50.3%
- 8 Kimi K3.1 Pro 43.2%
- 9
Gemini 4 Argon 39.5%
- 10 Claude Opus 5.5 max 38.2%
- 11
DeepSeek V4.1 Flash 1017 35.4%
- 12 Claude Opus 5 high 32.2%
- 13
Muse Spark 1.3 xhigh 32.2%
- 14
DeepSeek V4.1 Flash 31.8%
- 15 MiMo-V2.6 Pro 31.6%
- 16
MiniMax-M3.1-Flash high 29.6%
- 17
Step 5 Preview 29.5%
- 18 GLM-5.3 28.5%
- 19 Kimi K3 28.3%
- 20
DeepSeek-V4-Flash-Vision-Exp 27.3%
- 21
Qwen 3.8 Max 27%
- 22 Claude Opus 4.8 max 27%
- 23 Grok 4.5 high 27%
- 24 GPT-5.5 xhigh 26.6%
- 25
Gemini 3.7 Flash 26.3%
- 26 GLM-5.3-Flash 26.3%
- 27
DeepSeek V4 Pro 0813 25.7%
- 28 Claude Fable 5 xhigh 25.7%
- 29
DeepSeek V4 Flash 0731 25.2%
- 30
Qwen3.8 Flash 24.3%
- 31
Tencent Hy4 preview 22.8%
- 32 Claude Opus 4.7 high 21.1%
- 33 GPT-5.4 20.5%
- 34
Qwen 3.8 27B 20.4%
- 35 Composer 2.5 20.4%
- 36 GLM-5.2 max 20.4%
- 37
Seed2.1 Pro 19.5%
- 38
Gemini 3.1 Pro 16.4%
- 39
DeepSeek-V4-Pro 12.4%
- 40
Qwen3.7-Max 11.8%
- 41 GLM-5.1 11.5%
- 42 Kimi K2.6 9.21%
- 43
Qwen 3.6 Plus 8.55%
- 44 MiMo-V2.5 8.55%
- 45 Grok 4.3 7.24%
- 46
MiniMax-M2.7 5.92%
- 47 Grok 3 4.61%
Sources: Labs’ model cards and official Agents' Last Exam leaderboard
| # | Entry | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Claude Opus 5.5 | 38.2% | max, claude_code | Sep 2026 | Official leaderboard |
| 2 | GPT-6 Astra | 34.2% | max, codex | Sep 2026 | Official leaderboard |
| 3 | Claude Opus 5 | 32.2% | high, claude_code | Jul 2026 | Official leaderboard |
| 4 | | 32.2% | xhigh, codex | Sep 2026 | Official leaderboard |
| 5 | GPT-6 Sol | 32.2% | xhigh, codex | Sep 2026 | Official leaderboard |
| 6 | GPT-5.6 Sol | 30.6% | xhigh, codex | Jul 2026 | Official leaderboard |
| 7 | GPT-5.6 Luna | 30.3% | xhigh, codex | Jul 2026 | Official leaderboard |
| 8 | | 29.6% | high, claude_code | Oct 2026 | Official leaderboard |
| 9 | Kimi K3 | 28.3% | max, kimi_code | Jul 2026 | Official leaderboard |
| 10 | GPT-5.6 Terra | 28% | max, codex | Jul 2026 | Official leaderboard |
| 11 | Claude Opus 4.8 | 27% | max, claude_code | May 2026 | Official leaderboard |
| 12 | Grok 4.5 | 27% | high, grok_build | Jul 2026 | Official leaderboard |
| 13 | | 27% | xhigh, claude_code | Aug 2026 | Official leaderboard |
| 14 | GPT-5.5 | 26.6% | xhigh, codex | Apr 2026 | Official leaderboard |
| 15 | Claude Fable 5 | 25.7% | xhigh, claude_code | Jun 2026 | Official leaderboard |
| 16 | GPT-6 Luna | 25% | max, codex | Sep 2026 | Official leaderboard |
| 17 | Agnes-2.5-Pro-Beta | 21.7% | agnes_harness | Official leaderboard | |
| 18 | Claude Opus 4.7 | 21.1% | high, cursor_cli | Apr 2026 | Official leaderboard |
| 19 | GPT-5.4 | 20.5% | openclaw | Mar 2026 | Official leaderboard |
| 20 | Composer 2.5 | 20.4% | cursor_cli | May 2026 | Official leaderboard |
| 21 | GLM-5.2 | 20.4% | max, claude_code | Jun 2026 | Official leaderboard |
| 22 | | 20.4% | max, claude_code | Aug 2026 | Official leaderboard |
| 23 | ark-0614c | 19.1% | claude_code | Official leaderboard | |
| 24 | | 16.4% | gemini_cli | Feb 2026 | Official leaderboard |
| 25 | | 12.4% | openclaw | Apr 2026 | Official leaderboard |
| 26 | | 11.8% | openclaw | May 2026 | Official leaderboard |
| 27 | GLM-5.1 | 11.5% | openclaw | Apr 2026 | Official leaderboard |
| 28 | Kimi K2.6 | 9.21% | openclaw | Apr 2026 | Official leaderboard |
| 29 | | 8.55% | openclaw | Mar 2026 | Official leaderboard |
| 30 | MiMo-V2.5 | 8.55% | openclaw | Apr 2026 | Official leaderboard |
| 31 | Grok 4.3 | 7.24% | grok_cli | Apr 2026 | Official leaderboard |
| 32 | | 5.92% | openclaw | Mar 2026 | Official leaderboard |
| 33 | Grok 3 | 4.61% | grok_cli | Apr 2025 | Official leaderboard |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | | 61.6% | Nov 2026 | Lab model card | |
| 2 | GPT-6 Astra | 59.3% | Sep 2026 | Lab model card | |
| 3 | GPT-6 Sol | 56.4% | Sep 2026 | Lab model card | |
| 4 | GPT-5.6 Sol | 53.6% | Jul 2026 | Lab model card | |
| 5 | GPT-6 Luna | 50.9% | Sep 2026 | Lab model card | |
| 6 | GPT-5.6 Terra | 50.4% | Jul 2026 | Lab model card | |
| 7 | GPT-5.6 Luna | 50.3% | Jul 2026 | Lab model card | |
| 8 | Kimi K3.1 Pro | 43.2% | Oct 2026 | Lab model card | |
| 9 | | 39.5% | Oct 2026 | Lab model card | |
| 10 | Claude Opus 5.5 | 38.2% | max, claude_code | Sep 2026 | Official leaderboard |
| 11 | | 35.4% | Oct 2026 | Lab model card | |
| 12 | Claude Opus 5 | 32.2% | high, claude_code | Jul 2026 | Official leaderboard |
| 13 | | 32.2% | xhigh, codex | Sep 2026 | Official leaderboard |
| 14 | | 31.8% | Sep 2026 | Lab model card | |
| 15 | MiMo-V2.6 Pro | 31.6% | Sep 2026 | Lab model card | |
| 16 | | 29.6% | high, claude_code | Oct 2026 | Official leaderboard |
| 17 | | 29.5% | Sep 2026 | Lab model card | |
| 18 | GLM-5.3 | 28.5% | Aug 2026 | Lab model card | |
| 19 | Kimi K3 | 28.3% | Jul 2026 | Lab model card | |
| 20 | | 27.3% | Aug 2026 | Lab model card | |
| 21 | | 27% | Aug 2026 | Lab model card | |
| 22 | Claude Opus 4.8 | 27% | max, claude_code | May 2026 | Official leaderboard |
| 23 | Grok 4.5 | 27% | high, grok_build | Jul 2026 | Official leaderboard |
| 24 | GPT-5.5 | 26.6% | xhigh, codex | Apr 2026 | Official leaderboard |
| 25 | | 26.3% | Aug 2026 | Lab model card | |
| 26 | GLM-5.3-Flash | 26.3% | Aug 2026 | Lab model card | |
| 27 | | 25.7% | Aug 2026 | Lab model card | |
| 28 | Claude Fable 5 | 25.7% | xhigh, claude_code | Jun 2026 | Official leaderboard |
| 29 | | 25.2% | Jul 2026 | Lab model card | |
| 30 | | 24.3% | Aug 2026 | Lab model card | |
| 31 | | 22.8% | Aug 2026 | Lab model card | |
| 32 | Claude Opus 4.7 | 21.1% | high, cursor_cli | Apr 2026 | Official leaderboard |
| 33 | GPT-5.4 | 20.5% | openclaw | Mar 2026 | Official leaderboard |
| 34 | | 20.4% | Aug 2026 | Lab model card | |
| 35 | Composer 2.5 | 20.4% | cursor_cli | May 2026 | Official leaderboard |
| 36 | GLM-5.2 | 20.4% | max, claude_code | Jun 2026 | Official leaderboard |
| 37 | | 19.5% | Jun 2026 | Lab model card | |
| 38 | | 16.4% | gemini_cli | Feb 2026 | Official leaderboard |
| 39 | | 12.4% | openclaw | Apr 2026 | Official leaderboard |
| 40 | | 11.8% | openclaw | May 2026 | Official leaderboard |
| 41 | GLM-5.1 | 11.5% | openclaw | Apr 2026 | Official leaderboard |
| 42 | Kimi K2.6 | 9.21% | openclaw | Apr 2026 | Official leaderboard |
| 43 | | 8.55% | openclaw | Mar 2026 | Official leaderboard |
| 44 | MiMo-V2.5 | 8.55% | openclaw | Apr 2026 | Official leaderboard |
| 45 | Grok 4.3 | 7.24% | grok_cli | Apr 2026 | Official leaderboard |
| 46 | | 5.92% | openclaw | Mar 2026 | Official leaderboard |
| 47 | Grok 3 | 4.61% | grok_cli | Apr 2025 | Official leaderboard |
Labs report scores for 26 models in their cards. Switch the scores above to rank them together.
The best score, 38.2%, costs $8.93 a task
Runs on the cost frontier score higher than any run that's cheaper. The costs are the leaderboard's own estimates, so compare them only within this benchmark.
Source: Official Agents' Last Exam leaderboard
| Model | Effort | Harness | Score | Cost per task | Output tokens |
|---|---|---|---|---|---|
| Claude Opus 5.5 | max | claude_code | 38.2% | $8.93 | 172,616 |
| GPT-6 Astra | max | codex | 34.2% | $7.28 | 41,601 |
| Claude Opus 5 | high | claude_code | 32.2% | $7.39 | 79,596 |
| | xhigh | codex | 32.2% | $2.89 | 79,889 |
| GPT-6 Astra | xhigh | codex | 32.2% | $5.95 | 28,154 |
| GPT-6 Astra | medium | codex | 32.2% | $4.86 | 17,332 |
| GPT-6 Sol | xhigh | codex | 32.2% | $2.11 | 38,715 |
| GPT-6 Astra | high | codex | 31.6% | $5.18 | 23,062 |
| GPT-6 Sol | max | codex | 31.6% | $2.84 | 61,728 |
| GPT-6 Sol | high | codex | 31.6% | $2.12 | 35,736 |
| Claude Opus 5 | max | claude_code | 30.9% | $10 | 123,608 |
| GPT-5.6 Sol | xhigh | codex | 30.6% | $2.56 | 12,619 |
| GPT-5.6 Sol | high | codex | 30.6% | $1.93 | 9,667 |
| GPT-5.6 Luna | xhigh | codex | 30.3% | $1.55 | 27,384 |
| Claude Opus 5 | xhigh | claude_code | 30.3% | $10 | 119,123 |
| GPT-5.6 Sol | max | codex | 29.6% | $3.53 | 17,731 |
| | max | codex | 29.6% | $2.76 | 76,241 |
| GPT-6 Astra | low | codex | 29.6% | $3.58 | 10,830 |
| | high | claude_code | 29.6% | $0.61 | 146,630 |
| GPT-5.6 Sol | medium | codex | 29.5% | $1.72 | 7,273 |
| GPT-5.6 Luna | max | codex | 28.9% | $2.62 | 45,320 |
| Claude Opus 5 | medium | claude_code | 28.9% | $5.36 | 53,880 |
| GPT-6 Sol | medium | codex | 28.9% | $1.95 | 31,218 |
| Kimi K3 | max | kimi_code | 28.3% | $4.07 | 50,199 |
| GPT-6 Astra | none | codex | 28.3% | $5.69 | 11,560 |
| GPT-5.6 Terra | max | codex | 28% | $1.83 | 19,472 |
| GPT-5.6 Terra | xhigh | codex | 27.6% | $1.27 | 12,766 |
| Claude Opus 5 | low | claude_code | 27.6% | $4.12 | 31,468 |
| GPT-6 Sol | low | codex | 27.6% | $1.01 | 12,568 |
| Claude Opus 4.8 | max | claude_code | 27% | $27 | 147,117 |
| Grok 4.5 | high | grok_build | 27% | $2.23 | 36,075 |
| Kimi K3 | max | claude_code | 27% | $3.11 | 49,627 |
| | xhigh | claude_code | 27% | $3.29 | 83,992 |
| | high | codex | 27% | $0.46 | 135,315 |
| GPT-5.5 | xhigh | codex | 26.6% | $2.01 | 21,292 |
| GPT-5.6 Terra | high | codex | 26% | $0.88 | 9,376 |
| Claude Fable 5 | xhigh | claude_code | 25.7% | $29 | 69,575 |
| GPT-6 Luna | max | codex | 25% | $0.14 | 80,347 |
| GPT-5.5 | codex | 24.4% | $0.95 | 8,031 | |
| GPT-5.6 Luna | high | codex | 24.3% | $0.84 | 16,839 |
| GPT-6 Luna | xhigh | codex | 24.3% | $0.09 | 47,497 |
| GPT-5.6 Sol | low | codex | 23.9% | $0.83 | 4,244 |
| GPT-6 Sol | none | codex | 23.7% | $2.82 | 12,193 |
| GPT-5.5 | ale_claw | 23% | $2.14 | 16,143 | |
| GPT-5.6 Terra | medium | codex | 22.7% | $0.43 | 5,270 |
| Claude Opus 4.8 | xhigh | claude_code | 22.4% | $19 | 109,321 |
| Claude Opus 4.8 | high | claude_code | 22.4% | $11 | 44,985 |
| Claude Fable 5 | claude_code | 22.4% | $15 | 62,079 | |
| GPT-5.5 | openclaw | 21.7% | $3.28 | 24,112 | |
| GPT-5.5 | cursor_cli | 21.4% | $1.22 | 11,886 | |
| Claude Opus 4.7 | high | cursor_cli | 21.1% | $14 | 32,588 |
| GPT-6 Luna | high | codex | 21.1% | $0.09 | 36,903 |
| GPT-5.4 | openclaw | 20.5% | $1.53 | 40,692 | |
| Composer 2.5 | cursor_cli | 20.4% | $1.28 | 21,002 | |
| GLM-5.2 | max | claude_code | 20.4% | $7.44 | 52,942 |
| GPT-5.6 Terra | low | codex | 20.4% | $0.30 | 3,747 |
| | max | claude_code | 20.4% | 101,198 | |
| GPT-6 Luna | medium | codex | 20.4% | $0.09 | 33,099 |
| GPT-5.5 | droid | 19.7% | $1.74 | 15,801 | |
| Claude Opus 4.7 | ale_claw | 18.4% | $7.92 | 38,939 | |
| GPT-5.5 | medium | codex | 18.4% | $2.40 | 19,151 |
| GPT-5.5 | low | codex | 17.1% | $0.96 | 8,357 |
| GPT-5.6 Luna | medium | codex | 17.1% | $0.38 | 7,123 |
| | gemini_cli | 16.4% | $14 | 24,945 | |
| Claude Opus 4.8 | claude_code | 16.4% | $13 | 26,902 | |
| GPT-6 Luna | low | codex | 16.4% | $0.02 | 8,057 |
| Claude Opus 4.7 | openclaw | 15.8% | $12 | 27,915 | |
| | openclaw | 14.1% | $20 | 24,520 | |
| Claude Opus 4.7 | claude_code | 13.8% | $13 | 27,011 | |
| GPT-6 Luna | none | codex | 13.8% | $0.06 | 12,620 |
| Claude Opus 4.7 | droid | 13.5% | $13 | 25,965 | |
| | openclaw | 12.4% | $0.99 | 17,259 | |
| GPT-5.4 | ale_claw | 11.8% | $2.34 | 14,330 | |
| | openclaw | 11.8% | $4.67 | 123,645 | |
| GPT-5.6 Luna | low | codex | 11.8% | $0.18 | 4,015 |
| GLM-5.1 | openclaw | 11.5% | $1.69 | 22,678 | |
| Kimi K2.6 | openclaw | 9.21% | $0.51 | 25,077 | |
| | openclaw | 8.55% | $0.93 | 25,836 | |
| MiMo-V2.5 | openclaw | 8.55% | $0.17 | 15,331 | |
| GPT-5.4 | codex | 7.24% | $0.94 | 22,497 | |
| Grok 4.3 | grok_cli | 7.24% | $1.91 | 15,218 | |
| | openclaw | 5.92% | $0.12 | 19,637 | |
| Grok 3 | grok_cli | 4.61% | $1.22 | 3,583 | |
| Grok 4.3 | openclaw | 4.28% | $0.31 | 10,478 |
5 models have held number one on the official leaderboard since its release in June 2026 4 models have held number one with claims included since its release in June 2026
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 Agents' Last Exam leaderboard and labs’ model cards
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Sources: Official Agents' Last Exam leaderboard and labs’ model cards
12 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 |
|---|---|---|---|
| Nov 9, 2026 | 61.6 | Agents’ Last Exam, Muse Ember max reasoning | |
| Oct 26, 2026 | GPT-6.1 Terra | Agents' Last Exam (chart, version not stated) | |
| Oct 24, 2026 | Kimi K3.1 Pro | 43.2 | Agents Last Exam (ALL) (CLI 44.2) |
| Oct 19, 2026 | 29.6 | Agents’ Last Exam | |
| Oct 17, 2026 | 35.4 | Agents’ Last Exam | |
| Oct 13, 2026 | 39.5 | Agent's Last Exam (Pass rate) | |
| Sep 22, 2026 | GPT-6 Luna | 50.9 | Agents' Last Exam (GPT-6 Luna max) |
| Sep 22, 2026 | MiMo-V2.6 Pro | 31.6 | Agents Last Exam |
| Sep 22, 2026 | GPT-6 Sol | 56.4 | Agents' Last Exam V1 (GPT-6 Sol max) |
| Sep 20, 2026 | 29.5 | Agents Last Exam (ALE-CLI) | |
| Sep 10, 2026 | 31.8 | Agent's Last Exam (Pass@1) | |
| Sep 3, 2026 | GPT-6 Astra | 59.3 | Agents' Last Exam |
| Aug 28, 2026 | 22.8 | Agents' Last Exam (ALE-CLI) | |
| Aug 26, 2026 | 24.3 | Agents' Last Exam Pass@1 24.3 Score 51.2 | |
| Aug 26, 2026 | GLM-5.3-Flash | 26.3 | Agents Last Exam |
| Aug 21, 2026 | 27.3 | Agents Last Exam | |
| Aug 14, 2026 | 20.4 | Frontier agentic tasks Agents' Last Exam Pass@1 20.4 Score 42.9 | |
| Aug 14, 2026 | GLM-5.3 | 28.5 | Agents' Last Exam (ALE-CLI) |
| Aug 13, 2026 | 25.7 | Agents' Last Exam | |
| Aug 13, 2026 | 26.3 | Agent's Last Exam (Pass rate) | |
| Aug 3, 2026 | 27 | Agents' Last Exam (Pass / Score) 27.0 / 52.4 | |
| Jul 31, 2026 | 25.2 | Agents' Last Exam | |
| Jul 16, 2026 | Kimi K3 | 28.3 | Agents' Last Exam |
| Jul 9, 2026 | GPT-5.6 Luna | 50.3 | Agents' Last Exam |
| Jul 9, 2026 | GPT-5.6 Terra | 50.4 | Agents' Last Exam |
| Jul 9, 2026 | GPT-5.6 Sol | 53.6 | Agents' Last Exam (Sol, xhigh, code mode) |
| Jun 23, 2026 | 19.5 | Agents Last Exam (Pass@1 / Score) 19.5 / 41.4 |
7 system cards report it, from 6 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 |
|---|---|---|---|---|
| Nov 9, 2026 | | 61.6 | Agents’ Last Exam, Muse Ember max reasoning | Capabilities |
| Oct 13, 2026 | | 39.5 | Agent's Last Exam, pass rate (results table, p.5) | Capabilities |
| Sep 22, 2026 | MiMo-V2.6 Pro technical report | 31.6 | Agents' Last Exam (Table 3) | Capabilities |
| Sep 10, 2026 | | 31.8 | Agents' Last Exam (Pass@1), ALE-CLI (Table 3) | Capabilities |
| Aug 13, 2026 | | 26.3 | Agent's Last Exam, pass rate (results table, p.5) | Capabilities |
| Jul 27, 2026 | Kimi K3 technical report | 28.3 | Agents' Last Exam, leaderboard pass rate with Kimi Code (Table 2) | Capabilities |
| Jun 23, 2026 | | 19.5 | Agents' Last Exam, Pass@1 19.5, Score 41.4 (Table 1) | Capabilities |
The lab's number comes out ahead in 6 of 6 pairs that differ
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. 4 of them match, which usually means one side copied the other. Every benchmark.
| Model | Lab says | Board says | Gap |
|---|---|---|---|
| GPT-6 Luna | 50.9% Agents' Last Exam (GPT-6 Luna max) | 25% Leaderboard, max, codex | +26 pts |
| GPT-6 Astra | 59.3% Agents' Last Exam | 34.2% Leaderboard, max, codex | +25 pts |
| GPT-6 Sol | 56.4% Agents' Last Exam V1 (GPT-6 Sol max) | 32.2% Leaderboard, xhigh, codex | +24 pts |
| GPT-5.6 Sol | 53.6% Agents' Last Exam (Sol, xhigh, code mode) | 30.6% Leaderboard, xhigh, codex | +23 pts |
| GPT-5.6 Terra | 50.4% Agents' Last Exam | 28% Leaderboard, max, codex | +22 pts |
| GPT-5.6 Luna | 50.3% Agents' Last Exam | 30.3% Leaderboard, xhigh, codex | +20 pts |
| | 27% Agents' Last Exam (Pass / Score) 27.0 / 52.4 | 27% Leaderboard, xhigh, claude_code | Same |
| Kimi K3 | 28.3% Agents' Last Exam | 28.3% Leaderboard, max, kimi_code | Same |
| | 20.4% Frontier agentic tasks Agents' Last Exam Pass@1 20.4 Score 42.9 | 20.4% Leaderboard, max, claude_code | Same |
| | 29.6% Agents’ Last Exam | 29.6% Leaderboard, high, claude_code | 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.
Source: Official leaderboards
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