Free Models Router alternatives
Ranked by capability overlap, similar context window, and similar price tier. Cross-vendor options are weighted higher than same-provider alternatives.
See also: Free Models Router model details · Openrouter provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | Mistral: Mistral Small 4 | Mistral AI | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.15 Budget | vs → |
| 2 | OpenAI: GPT-5 Mini | OpenAI | shares reasoning, tool-use, structured-output, vision · similar price tier | 400K Long context (128K+) | $0.25 Budget | vs → |
| 3 | OpenAI: GPT-5 Nano | OpenAI | shares reasoning, tool-use, structured-output, vision · similar price tier | 400K Long context (128K+) | $0.05 Budget | vs → |
| 4 | OpenAI: GPT-5.1-Codex-Mini | OpenAI | shares reasoning, tool-use, structured-output, vision · similar price tier | 400K Long context (128K+) | $0.25 Budget | vs → |
| 5 | OpenAI: GPT-5.4 Nano | OpenAI | shares reasoning, tool-use, structured-output, vision · similar price tier | 400K Long context (128K+) | $0.20 Budget | vs → |
| 6 | Qwen: Qwen3.5 397B A17B | Qwen | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.39 Budget | vs → |
| 7 | Qwen: Qwen3.5-122B-A10B | Qwen | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.26 Budget | vs → |
| 8 | Qwen: Qwen3.5-27B | Qwen | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.20 Budget | vs → |
| 9 | Qwen: Qwen3.5-35B-A3B | Qwen | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.16 Budget | vs → |
| 10 | Qwen: Qwen3.5-9B | Qwen | shares reasoning, tool-use, structured-output, vision · similar price tier | 256K Long context (128K+) | $0.05 Budget | vs → |
| 11 | ByteDance Seed: Seed 1.6 | Bytedance Seed | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.25 Budget | vs → |
| 12 | ByteDance Seed: Seed 1.6 Flash | Bytedance Seed | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.07 Budget | vs → |
| 13 | ByteDance Seed: Seed-2.0-Lite | Bytedance Seed | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.25 Budget | vs → |
| 14 | ByteDance Seed: Seed-2.0-Mini | Bytedance Seed | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.10 Budget | vs → |
| 15 | MoonshotAI: Kimi K2.5 | Moonshotai | shares reasoning, tool-use, structured-output, vision · similar price tier | 262K Long context (128K+) | $0.42 Budget | vs → |