RankingFrontierCS 2
FrontierCS 2
- Bucket
- Supporting evidence
- Unit
- percent
- Direction
- Higher is better
- Version
- 2
- Display harness
- Claude Code
- Board
- https://frontier-cs.org/
FrontierCS 2 is the UC Berkeley and Princeton board of 48 research tasks. One run per task on that model's vendor harness. Kaggle verification is unfinished. These rows stay out of weighted Overall.
Compare published benchmark results with category weights →
Models
1–25 of 471 entries
| Model | Score | Evidence | Source-recorded date |
|---|---|---|---|
| Claude Opus 5.5Anthropic | 58.3% | official board | 2026-10-29 |
| Claude Fable 5.1Anthropic | 37.5% | official board | 2026-10-29 |
| Agnes 2.5 Pro AlphaAgnes AI | — | — | — |
| Agnes-3.0-Flash PreviewAgnes AI | — | — | — |
| Amazon Nova 2 LiteAmazon | — | — | — |
| Amazon Nova 2 Pro PreviewAmazon | — | — | — |
| Amazon Nova LiteAmazon | — | — | — |
| Amazon Nova MicroAmazon | — | — | — |
| Amazon Nova PremierAmazon | — | — | — |
| Amazon Nova ProAmazon | — | — | — |
| AutoGLM-Phone-9BZ.ai | — | — | — |
| AutoGLM-Phone-9B-MultilingualZ.ai | — | — | — |
| aya-101Cohere | — | — | — |
| aya-23-35BCohere | — | — | — |
| aya-23-8BCohere | — | — | — |
| aya-expanse-8bCohere | — | — | — |
| aya-vision-8bCohere | — | — | — |
| C4Ai Aya Expanse 32BCohere | — | — | — |
| C4Ai Aya Vision 32BCohere | — | — | — |
| c4ai-command-r7b-arabic-02-2025Cohere | — | — | — |
| chatglm-6bZ.ai | — | — | — |
| chatglm2-6bZ.ai | — | — | — |
| chatglm2-6b-32kZ.ai | — | — | — |
| chatglm3-6bZ.ai | — | — | — |
| chatglm3-6b-128kZ.ai | — | — | — |
Other harnesses
These runs use other harnesses. Capability scoring matches configurations separately; model details identify which source records contribute.
| Model | Score | Harness | Evidence | Source-recorded date |
|---|---|---|---|---|
| DeepSeek V4.1 FlashDeepSeek | 14.6% | DeepSeek Harness | official board | 2026-10-29 |
| Gemini 4 ArgonGoogle | 54.2% | Antigravity | official board | 2026-10-29 |
| Gemini 4 ArgonGoogle | 39.6% | Pi | official board | 2026-10-29 |
| GLM-5.3Z.ai | 25% | ZCode | official board | 2026-10-29 |
| GLM-5.3-FlashZ.ai | 12.5% | ZCode | official board | 2026-10-29 |
| GPT-6 AstraOpenAI | 43.8% | Codex CLI | official board | 2026-10-29 |
| GPT-6.1 SolOpenAI | 35.4% | Codex CLI | official board | 2026-10-29 |
| Kimi K3Moonshot | 20.8% | Kimi Code | official board | 2026-10-29 |
| Muse Spark 1.3Meta | 12.5% | Muse Code | official board | 2026-10-29 |
| Qwen 3.8-MaxQwen | 12.5% | Qwen Code | official board | 2026-10-29 |
| Step 5 PreviewStepFun | 8.3% | Step Code | official board | 2026-10-29 |