OpenAI: o1-pro alternatives
Ranked by capability overlap, similar context window, and similar price tier. Cross-vendor options are weighted higher than same-provider alternatives.
See also: OpenAI: o1-pro model details · OpenAI o-series (reasoning) · OpenAI provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | Anthropic: Claude Haiku 4.5 | Anthropic | shares reasoning, structured-output, vision · similar context window | 200K Long context (128K+) | $1.00 Standard | vs → |
| 2 | Anthropic: Claude Opus 4.1 | Anthropic | shares reasoning, structured-output, vision · similar context window | 200K Long context (128K+) | $15.00 Premium | vs → |
| 3 | Anthropic: Claude Opus 4.5 | Anthropic | shares reasoning, structured-output, vision · similar context window | 200K Long context (128K+) | $5.00 Standard | vs → |
| 4 | Mistral: Mistral Small 4 | Mistral AI | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.15 Budget | vs → |
| 5 | Qwen: Qwen3.5 397B A17B | Qwen | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.39 Budget | vs → |
| 6 | Qwen: Qwen3.5-122B-A10B | Qwen | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.26 Budget | vs → |
| 7 | Qwen: Qwen3.5-27B | Qwen | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.20 Budget | vs → |
| 8 | Qwen: Qwen3.5-35B-A3B | Qwen | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.16 Budget | vs → |
| 9 | Qwen: Qwen3.5-9B | Qwen | shares reasoning, structured-output, vision · similar context window | 256K Long context (128K+) | $0.05 Budget | vs → |
| 10 | xAI: Grok 4 | X Ai | shares reasoning, structured-output, vision · similar context window | 256K Long context (128K+) | $3.00 Standard | vs → |
| 11 | OpenAI: GPT-5.2 Pro | OpenAI | shares reasoning, structured-output, vision · similar price tier | 400K Long context (128K+) | $21.00 Premium | vs → |
| 12 | OpenAI: o3 Pro | OpenAI | shares reasoning, structured-output, vision · similar price tier | 200K Long context (128K+) | $20.00 Premium | vs → |
| 13 | ByteDance Seed: Seed 1.6 | Bytedance Seed | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.25 Budget | vs → |
| 14 | ByteDance Seed: Seed 1.6 Flash | Bytedance Seed | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.07 Budget | vs → |
| 15 | ByteDance Seed: Seed-2.0-Lite | Bytedance Seed | shares reasoning, structured-output, vision · similar context window | 262K Long context (128K+) | $0.25 Budget | vs → |