Auto Reasoning: pricing, context window and benchmarks
Auto Reasoning is a mid-range model from OpenRouter. It offers a 65,536-token context window, costs $8.39 per million input tokens and $36.43 per million output tokens, and averages 71.5 across the index's benchmark suite.
Pricing
Auto Reasoning costs $8.39 per million input tokens and $36.43 per million output tokens. A blended 3:1 input-to-output mix works out to about $15.40 per million tokens. Cached input is listed at $0.70 per million tokens.
| Item | Price | Notes |
|---|---|---|
| Input | $8.39 | per 1M tokens |
| Output | $36.43 | per 1M tokens |
| Cached input | $0.70 | per 1M tokens |
| Blended 3:1 | $15.40 | estimate per 1M tokens |
| 1M in + 1M out | $44.82 | estimate |
Benchmarks
Scores below are modelled estimates on a 0–100 scale. Use them to compare relative position, not as official vendor results.
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 77.3 | 266 | 56th | |
| GPQA Diamond | 65.8 | 344 | 43th | |
| SWE-bench Verified | 60.9 | 301 | 50th | |
| HumanEval | 77.3 | 302 | 50th | |
| MATH-500 | 74.6 | 335 | 44th | |
| AIME 2025 | 62.5 | 369 | 39th | |
| LiveCodeBench | 65.1 | 290 | 52th | |
| IFEval | 78.2 | 362 | 40th | |
| TruthfulQA | 74.7 | 337 | 44th | |
| HellaSwag | 81.6 | 357 | 41th | |
| MMMU | 68.1 | 341 | 43th | |
| Arena Elo | 1366.4 | 329 | 45th |
What Auto Reasoning is good for
Auto Reasoning is a general-purpose model in the index. It handles text generation, summarization and question answering, and it can be a sensible default when you need a balance of quality, price and context. At $8.39 per million input tokens with a 65,536-token window, check its benchmark profile against the specific task before committing.
Strengths
- Accepts more than text, including image input where the provider supports it.
- Reasoning-oriented profile, useful for multi-step problems and structured analysis.
Trade-offs
- Proprietary licence: you cannot download the weights or self-host the model.
- Premium input pricing at $8.39 per million tokens.
- Average benchmark score is below the index median; test it on your own task.
How it compares
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| DBRX Chat | Databricks | 65536 | $3.07 | 71.7 |
| OLMo 2 Instruct | Allen Institute for AI | 32768 | $3.03 | 71.7 |
| Qwen3-Max Nano | Alibaba Cloud | 65536 | $8.31 | 71.7 |
| Claude Haiku 4.5 Mini | Anthropic | 16384 | $8.76 | 71.6 |
| Command R+ Base | Cohere | 65536 | $3.24 | 71.6 |
| Auto Reasoning | OpenRouter | 65536 | $8.39 | 71.5 |
FAQ
How much does Auto Reasoning cost?
Auto Reasoning is listed at $8.39 per million input tokens and $36.43 per million output tokens. Cached input is $0.70 per million tokens. A blended 3:1 input-to-output mix is about $15.40 per million tokens.
What is the context window of Auto Reasoning?
Auto Reasoning has a context window of 65,536 tokens and can emit up to 8,192 output tokens per request in this index.
Is Auto Reasoning open weights?
No. Auto Reasoning is a proprietary model with a proprietary licence, so you cannot download the weights.
How does Auto Reasoning score on benchmarks?
Auto Reasoning averages 71.5 across the scored benchmarks in this index, ranking #339 of 600 models. Its strongest relative result is Arena Elo at 1366.4.
What is Auto Reasoning best for?
Auto Reasoning is a general-purpose model in the index. It handles text generation, summarization and question answering, and it can be a sensible default when you need a balance of quality, price and context. At $8.39 per million input tokens with a 65,536-token window, check its benchmark profile against the specific task before committing.