Best for agents
Ranked by APEX-Agents - long-horizon professional tasks performed by agents.
Ranked by APEX-Agents - long-horizon professional tasks performed by agents. Source: Epoch AI. Variants (reasoning effort, batch) are folded into one row.
| # | Model | Capability | Reasoning | Coding | Context | $/M | Weights | Released |
|---|---|---|---|---|---|---|---|---|
| 1 | Claude Sonnet 5.5NEWAnthropic · +1 variant | — | — | — | 1M | $4.00 | — | 28 Sep 2026 |
| 2 | Claude Opus 5.5NEWAnthropic | — | — | — | 1M | $8.00 | — | 22 Sep 2026 |
| 3 | Claude Fable 5.1NEWunknownAnthropic · +1 variant | — | — | — | — | — | Closed | 1 Sep 2026 |
| 4 | Gemini 3.7 FlashunknownGoogle | — | — | — | — | — | Closed | 13 Aug 2026 |
| 5 | Claude Opus 5Anthropic | 162.7 | 93.9 | 73.6 | 1M | $10.00 | Closed | 24 Jul 2026 |
| 6 | Grok 4.6unknownxAI | — | — | — | — | — | Closed | 12 Aug 2026 |
| 7 | GPT-6 AstraNEWunknown thinkingOpenAI | — | — | — | — | — | Closed | 3 Sep 2026 |
| 8 | Gemini 3.8 FlashNEWunknownGoogle | — | — | — | — | — | Closed | 2 Sep 2026 |
| 9 | GPT-5.6 TerraOpenAI | 159.3 | 93.3 | 69.6 | 1.05M | $4.50 | Closed | 9 Jul 2026 |
| 10 | Muse Spark 1.3NEWunknownMeta | — | — | — | — | — | Closed | 2 Sep 2026 |
| 11 | GLM-5.3unknown thinkingZ.ai (Zhipu AI) | — | — | — | — | — | Closed | 14 Aug 2026 |
| 12 | Grok 4.5unknown thinkingxAI | — | — | — | — | — | Closed | 8 Jul 2026 |
| 13 | GPT-6 SolNEWOpenAI | — | — | — | 1.05M | $4.00 | — | 22 Sep 2026 |
| 14 | GLM-5.3-FlashunknownZ.ai (Zhipu AI) | — | — | — | — | — | Open | 20 Aug 2026 |
| 15 | GPT-5.6 Sol (pro, max)OpenAI | — | — | — | — | — | Closed | 9 Jul 2026 |
| 16 | Kimi K3unknownMoonshot AI | — | — | — | — | — | Open | 16 Jul 2026 |
| 17 | DeepSeek V4 Pro 0813unknownDeepSeek | — | — | — | — | — | Open | 13 Aug 2026 |
| 18 | Gemini 3.6 FlashGoogle | 154.4 | 94.1 | 46.7 | 1.05M | $1.50 | Closed | 21 Jul 2026 |
| 19 | GPT-6 LunaNEWOpenAI | — | — | — | 1.05M | $0.20 | — | 22 Sep 2026 |
| 20 | Muse Spark 1.2Meta | 155.2 | — | — | 1.05M | $2.00 | Closed | 5 Aug 2026 |
| 21 | InklingThinking Machines Lab | 148.6 | — | — | 524K | $1.76 | Open | 15 Jul 2026 |
— means no published score from that source yet · click a model for every benchmark with its source
New - awaiting independent evaluation
All new models →- Claude Sonnet 5.5Anthropic · 28 Sep 2026 · AA 56 · 1M · $4.00/M
- Qwen3.8 Max PrimeAlibaba (Qwen) · 23 Sep 2026 · 1M · $6.00/M
- GPT-6 SolOpenAI · 22 Sep 2026 · AA 47.5 · 1.05M · $4.00/M
- GPT-6 LunaOpenAI · 22 Sep 2026 · AA 37.3 · 1.05M · $0.20/M
- GPT-6 Sol ProOpenAI · 22 Sep 2026 · 1.05M · $4.00/M
- GPT-6 Luna ProOpenAI · 22 Sep 2026 · 1.05M · $0.20/M
- Claude Opus 5.5Anthropic · 22 Sep 2026 · AA 57.6 · 1M · $8.00/M
- Grok 4.7xAI · 21 Sep 2026 · AA 46.4 · 500K · $3.00/M
Not ranked until an independent evaluator (Epoch AI) publishes scores. We don't use vendor-reported benchmark claims for rankings.
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Best AI for reasoning →
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Ranked on competition math
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Weights you can run yourself
Cheapest capable models →
Lowest blended API price
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Answer engines & deep research