GSM8K-Platinum
Models solve the GSM8K test problems after MIT researchers fixed wrong labels and removed badly written questions. Errors on it are more likely real model mistakes.
A drop-in replacement for the GSM8K test set from the Platinum Benchmarks project, which also cleans other saturated benchmarks.
- Made by
- MIT Madry Lab (Vendrow et al.)
- Released
- February 2025
- Kind
- Word problems
- Level
- School
- Scored
- Checked automatically
- Answers
- Short answer
- Tasks
- All public
- Strongest model tested
- o1 #117 on the capability index
- Last in a system card
- September 2025
- Last model added
- September 2025
- Scores refreshed
- November 12th, 2026
In the authors’ words
When deploying large language models (LLMs), it is important to ensure that these models are not only capable, but also reliable. Many benchmarks have been created to track LLMs' growing capabilities, however there has been no similar focus on measuring their reliability. To understand the potential ramifications of this gap, we investigate how well current benchmarks quantify model reliability. We find that pervasive label errors can compromise these evaluations, obscuring lingering model failures and hiding unreliable behavior. Motivated by this gap in the evaluation of reliability, we then propose the concept of so-called platinum benchmarks, i.e., benchmarks carefully curated to minimize label errors and ambiguity. As a first attempt at constructing such benchmarks, we revise examples from fifteen existing popular benchmarks. We evaluate a wide range of models on these platinum benchmarks and find that, indeed, frontier LLMs still exhibit failures on simple tasks such as elementary-level math word problems. Analyzing these failures further reveals previously unidentified patterns of problems on which frontier models consistently struggle. We provide code at https://github.com/MadryLab/platinum-benchmarks
Claude 3.7 Sonnet leads with 99.8% among models released by February 2025
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. Names in gray aren't in our model list: fine-tunes, agent systems, products and older models. They don't count toward leaders.
Claude 3.7 Sonnet leads with 99.8%, 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.
The newest model with a score here came out in February 2025, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:
- Claude Fable 5.2
-
Gemini 4 Carbon
- GPT-6 Astra
- Claude Opus 5.5
- and 16 more
- 1 Claude 3.7 Sonnet thinking 99.8%
- 2 deepseek-r1 (snapshot unspecified) 99.7%
- 3 o1 high 99.7%
- 4 o3-mini high 99.4%
- 5 GPT-4.5 99.3%
- 6
Gemini 2.0 Flash Thinking Jan 2025 99.2%
- 7 Claude 3.5 Sonnet (October 2024) 99.1%
- 8 meta-llama/Meta-Llama-3.1-405B-Instruct 98.8%
- 9 GPT-4o Nov 2024 98.6%
- 10
Gemini 2.0 Pro 98.5%
- 11 gpt-4o-mini (snapshot unspecified) 97.3%
Source: Official GSM8K-Platinum leaderboard
- 1 Claude 3.7 Sonnet thinking 99.8%
- 2 o1 high 99.7%
- 3 o3-mini high 99.4%
- 4 GPT-4.5 99.3%
- 5
Gemini 2.0 Flash Thinking Jan 2025 99.2%
- 6 Claude 3.5 Sonnet (October 2024) 99.1%
- 7 GPT-4o Nov 2024 98.6%
- 8
Gemini 2.0 Pro 98.5%
- 9
Apertus 70B 74.6%
Sources: Official GSM8K-Platinum leaderboard and labs’ model cards
| # | Entry | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Claude 3.7 Sonnet | 99.8% | thinking | Feb 2025 | Official leaderboard |
| 2 | deepseek-r1 (snapshot unspecified) | 99.7% | Official leaderboard | ||
| 3 | o1 | 99.7% | high | Dec 2024 | Official leaderboard |
| 4 | o3-mini | 99.4% | high | Jan 2025 | Official leaderboard |
| 5 | GPT-4.5 | 99.3% | Feb 2025 | Official leaderboard | |
| 6 | | 99.2% | Jan 2025 | Official leaderboard | |
| 7 | Claude 3.5 Sonnet (October 2024) | 99.1% | Oct 2024 | Official leaderboard | |
| 8 | meta-llama/Meta-Llama-3.1-405B-Instruct | 98.8% | Official leaderboard | ||
| 9 | GPT-4o Nov 2024 | 98.6% | Nov 2024 | Official leaderboard | |
| 10 | | 98.5% | Feb 2025 | Official leaderboard | |
| 11 | gpt-4o-mini (snapshot unspecified) | 97.3% | Official leaderboard |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | Claude 3.7 Sonnet | 99.8% | thinking | Feb 2025 | Official leaderboard |
| 2 | o1 | 99.7% | high | Dec 2024 | Official leaderboard |
| 3 | o3-mini | 99.4% | high | Jan 2025 | Official leaderboard |
| 4 | GPT-4.5 | 99.3% | Feb 2025 | Official leaderboard | |
| 5 | | 99.2% | Jan 2025 | Official leaderboard | |
| 6 | Claude 3.5 Sonnet (October 2024) | 99.1% | Oct 2024 | Official leaderboard | |
| 7 | GPT-4o Nov 2024 | 98.6% | Nov 2024 | Official leaderboard | |
| 8 | | 98.5% | Feb 2025 | Official leaderboard | |
| 9 | | 74.6% | Sep 2025 | Lab model card |
Labs report scores for 1 model in their cards. Switch the scores above to rank them together.
2 models have held number one on the official leaderboard since its release in February 2025 2 models have held number one with claims included since its release in February 2025
Lab claims count from the day the card came out, independent runs from the model’s release.
Source: Official GSM8K-Platinum leaderboard
Claude 3.5 Sonnet (October 2024) on the official leaderboard passed 85% in October 2024
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Sources: Official GSM8K-Platinum leaderboard and labs’ model cards
Labs report it only in system cards
We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark. Some system cards do, below.
One system card reports it
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 |
|---|---|---|---|---|
| Sep 17, 2025 | | 74.6 | GSM8K Platinum, 0-shot CoT, held-out test suite (Table 21) | Capabilities |
Versions
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