Best model for your job # Best AI model for agents > For AI agents, Claude Opus 5 scores highest on the current data (64.6), weighting agentic & tool use 60%, instruction following 20%, reasoning 20%. The cheape - Canonical page: https://noometry.com/best/for/agents - Last updated: 2026-10-10 - Title: Best AI model for agents (October 2026) | Noometry For AI agents, Claude Opus 5 scores highest on the current data (64.6), weighting agentic & tool use 60%, instruction following 20%, reasoning 20%. The cheapest model in the top 10 is Gemini 3.8 Flash at $0.75 / $3.75 per million tokens. Last verified October 10, 2026 Weights: [Agentic & Tool Use](https://noometry.com/best/agentic) 60%, [Instruction Following](https://noometry.com/best/instruction-following) 20%, [Reasoning](https://noometry.com/best/reasoning) 20%. Agents must plan, call tools and recover from errors over many steps. Best AI model for agents | # | Model | Provider | Fit | Agentic & Tool Use | Instruction Following | Reasoning | Input $/M | Output $/M | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | [Claude Opus 5](https://noometry.com/models/claude-opus-5) | Anthropic | **64.6** | 55.6 | 79.2 | 77.2 | $5 | $25 | | 2 | [GPT-6 Astra](https://noometry.com/models/gpt-6-astra) | OpenAI | **64.0** | 52.9 | 76.3 | 85.1 | $10 | $50 | | 3 | [Claude Fable 5](https://noometry.com/models/claude-fable-5) | Anthropic | **63.5** | 54.0 | 78.6 | 76.8 | $10 | $50 | | 4 | [Claude Fable 5.1](https://noometry.com/models/claude-fable-5-1) | Anthropic | **61.6** | 50.7 | 79.2 | 76.7 | $10 | $50 | | 5 | [GPT-5.6 Sol](https://noometry.com/models/gpt-5-6-sol) | OpenAI | **60.7** | 50.3 | 77.7 | 74.8 | $4 | $20 | | 6 | [GPT-5.5](https://noometry.com/models/gpt-5-5) | OpenAI | **60.5** | 50.7 | 77.5 | 72.8 | $5 | $30 | | 7 | [Claude Opus 5.5](https://noometry.com/models/claude-opus-5-5) | Anthropic | **59.2** | 45.3 | 80.0 | 80.2 | $4 | $20 | | 8 | [Claude Opus 4.6](https://noometry.com/models/claude-opus-4-6) | Anthropic | **58.1** | 51.1 | 79.5 | 57.8 | $5 | $25 | | 9 | [Claude Opus 4.8](https://noometry.com/models/claude-opus-4-8) | Anthropic | **57.0** | 47.6 | 77.4 | 64.7 | $5 | $25 | | 10 | [Gemini 3.8 Flash](https://noometry.com/models/gemini-3-8-flash) | Google | **56.1** | 41.8 | 78.0 | 76.9 | $0.75 | $3.75 | | 11 | [GPT-5.4](https://noometry.com/models/gpt-5-4) | OpenAI | **55.7** | 46.5 | 77.1 | 61.8 | $2.50 | $15 | | 12 | [GPT-6.1 Sol](https://noometry.com/models/gpt-6-1-sol) | OpenAI | **55.5** | 39.6 | 77.0 | 81.9 | $2 | $10 | | 13 | [Claude Opus 4.7](https://noometry.com/models/claude-opus-4-7) | Anthropic | **55.2** | 47.9 | 78.4 | 53.8 | $5 | $25 | | 14 | [Gemini 3.7 Flash](https://noometry.com/models/gemini-3-7-flash) | Google | **54.8** | 42.1 | 77.7 | 70.0 | $0.75 | $3.75 | | 15 | [Gemini 4 Argon](https://noometry.com/models/gemini-4-argon) | Google | **54.4** | 49.2 | 80.1 | 44.2 | — | — | | 16 | [Qwen3.8 Max](https://noometry.com/models/qwen3-8-max) | Alibaba (Qwen) | **53.6** | 45.4 | 77.6 | 54.4 | $2 | $6 | | 17 | [Claude Sonnet 5.5](https://noometry.com/models/claude-sonnet-5-5) | Anthropic | **53.5** | 45.0 | 78.3 | 54.0 | $2 | $10 | | 18 | [Kimi K3](https://noometry.com/models/kimi-k3) (open weights) | Moonshot AI | **53.3** | 41.8 | 77.7 | 63.0 | $3 | $15 | | 19 | [Grok 4.5](https://noometry.com/models/grok-4-5) | xAI | **53.0** | 44.4 | 76.0 | 56.1 | $2 | $6 | | 20 | [Claude Opus 4.5](https://noometry.com/models/claude-opus-4-5) | Anthropic | **52.4** | 47.3 | 77.5 | 42.6 | $5 | $25 | | 21 | [Gemini 3.1 Pro Preview](https://noometry.com/models/gemini-3-1-pro-preview) | Google | **52.4** | 37.7 | 77.0 | 71.7 | $2 | $12 | | 22 | [GPT-6 Sol](https://noometry.com/models/gpt-6-sol) | OpenAI | **52.0** | 37.2 | 74.5 | 74.0 | $2 | $10 | | 23 | [GPT-5.6 Terra](https://noometry.com/models/gpt-5-6-terra) | OpenAI | **51.5** | 40.1 | 76.4 | 60.7 | $2 | $12 | | 24 | [Grok 4.6](https://noometry.com/models/grok-4-6) | xAI | **51.0** | 39.4 | 75.4 | 61.4 | $2 | $6 | | 25 | [Claude Sonnet 5](https://noometry.com/models/claude-sonnet-5) | Anthropic | **50.7** | 42.8 | 76.3 | 49.1 | $2 | $10 | Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise) Top two head to head: [Claude Opus 5 vs GPT-6 Astra](https://noometry.com/compare/claude-opus-5-vs-gpt-6-astra) ## Frequently asked questions ### What is the best ai model for agents? For AI agents, Claude Opus 5 scores highest on the current data (64.6), weighting agentic & tool use 60%, instruction following 20%, reasoning 20%. The cheapest model in the top 10 is Gemini 3.8 Flash at $0.75 / $3.75 per million tokens. ### How is this shortlist built? Agents must plan, call tools and recover from errors over many steps. 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(2026). Best AI model for agents. Retrieved October 10, 2026, from https://noometry.com/best/for/agents Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/best/for/agents.md).