Best AI Models for Agents
Ranking of language models by agentic performance. These models excel at tool use, function calling, and autonomous multi-step tasks.Updated August 2026. Based on independent benchmark data.
Why This Matters
Choosing the right model for agents is about more than raw benchmark scores. The models below are ranked using a weighted blend of category-specific benchmarks, arena Elo, and the intelligence index — but real-world performance depends on your context window, latency budget, and integration path.
For agents, we weighted the benchmarks that most strongly predict success in production: task accuracy first, then speed and cost efficiency. Leaders on this page consistently outperform on both standardized tests and real-world workloads.
If you operate under a strict budget, check the Best Value LLMs ranking. If latency matters more than raw quality, see Fastest LLMs. Both pages use the same underlying dataset with different weightings.
| # | Model | Provider | Score | Speed | Price (output) |
|---|---|---|---|---|---|
| 1 | Kimi K3 | Moonshot AI | 100.0 | 37 t/s | $15/M |
| 2 | Claude Fable 5 | Anthropic | 96.2 | 71 t/s | $50/M |
| 3 | Claude Fable 5.1 | Anthropic | 94.0 | 85 t/s | $15/M |
| 4 | Claude Fable 5.1 (XHigh) | Anthropic | 80.0 | 78 t/s | $15/M |
| 5 | Claude Fable 5.1 (High) | Anthropic | 80.0 | 92 t/s | $15/M |
| 6 | Claude Opus 5.5 | Anthropic | 80.0 | 68 t/s | $25/M |
| 7 | Claude Fable 5.1 (Medium) | Anthropic | 80.0 | 104 t/s | $15/M |
| 8 | Claude Fable 5.1 (Low) | Anthropic | 80.0 | 118 t/s | $15/M |
| 9 | Gemini 3.5 Flash | 75.9 | 267 t/s | $9/M | |
| 10 | Claude Opus 4.8 | Anthropic | 74.9 | 50 t/s | $15/M |
| 11 | Claude Opus 4.7 | Anthropic | 74.3 | 80 t/s | $15/M |
| 12 | GPT-6 Astra | OpenAI | 72.6 | 82 t/s | $50/M |
| 13 | Qwen3.7 Max | Alibaba | 71.5 | 203 t/s | $7.5/M |
| 14 | Claude Opus 5.5 (XHigh) | Anthropic | 70.0 | 62 t/s | $25/M |
| 15 | Claude Opus 5.5 (High) | Anthropic | 70.0 | 74 t/s | $25/M |
| 16 | Claude Opus 5.5 (Medium) | Anthropic | 70.0 | 82 t/s | $25/M |
| 17 | Claude Opus 5.5 (Low) | Anthropic | 70.0 | 92 t/s | $25/M |
| 18 | MiMo V2.5 Pro | Xiaomi | 69.0 | 65 t/s | $0.87/M |
| 19 | GPT-6 Astra (xhigh) | OpenAI | 68.0 | 76 t/s | $50/M |
| 20 | GPT-6 Astra (high) | OpenAI | 68.0 | 90 t/s | $50/M |
Top 5 Agents — Quick Comparison
Methodology
Rankings are based on independent benchmark evaluations. The agents score is computed from multiple standardized benchmarks and normalized to 0–100. Data is updated regularly from public benchmark results.
Related Rankings
Frequently Asked Questions
What is the best AI model for autonomous agents and tool use?
Claude 3.7 Sonnet and GPT-5 lead on SWE-bench and function-calling benchmarks (TAU-bench) for agentic automation.