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FastRouter
15 models · routes through the OpenAI-Compatible adapter
API endpoint
https://go.fastrouter.ai/api/v1
Required environment variables
- FASTROUTER_API_KEY
Models
| Model | Context | Input | Output | Capabilities |
|---|---|---|---|---|
| z-ai/glm-5 | 205k | $0.95 / 1M | $3.15 / 1M | tools, reasoning, open-weights |
| openai/gpt-5 | 400k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| openai/gpt-5-mini | 400k | $0.25 / 1M | $2.00 / 1M | tools, reasoning, vision |
| openai/gpt-5-nano | 400k | $0.05 / 1M | $0.40 / 1M | tools, reasoning, vision |
| anthropic/claude-opus-4.1 | 200k | $15.00 / 1M | $75.00 / 1M | tools, reasoning, vision |
| openai/gpt-oss-120b | 131k | $0.15 / 1M | $0.60 / 1M | tools, reasoning, open-weights |
| openai/gpt-oss-20b | 131k | $0.05 / 1M | $0.20 / 1M | tools, reasoning, open-weights |
| qwen/qwen3-coder | 262k | $0.30 / 1M | $1.20 / 1M | tools, open-weights |
| moonshotai/kimi-k2 | 131k | $0.55 / 1M | $2.20 / 1M | tools, open-weights |
| x-ai/grok-4 | 256k | $3.00 / 1M | $15.00 / 1M | tools, reasoning |
| google/gemini-2.5-flash | 1049k | $0.30 / 1M | $2.50 / 1M | tools, reasoning, vision |
| google/gemini-2.5-pro | 1049k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| anthropic/claude-sonnet-4 | 200k | $3.00 / 1M | $15.00 / 1M | tools, reasoning, vision |
| openai/gpt-4.1 | 1048k | $2.00 / 1M | $8.00 / 1M | tools, vision |
| deepseek-ai/deepseek-r1-distill-llama-70b | 131k | $0.03 / 1M | $0.14 / 1M | reasoning, open-weights |
Sourced from models.dev. Pricing reflects the catalog at the time this page was rendered.