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Impossibl
76 models · routes through the OpenAI-Compatible adapter
API endpoint
https://api.impossibl.com/v1
Required environment variables
- IMPOSSIBL_API_KEY
Models
| Model | Context | Input | Output | Capabilities |
|---|---|---|---|---|
| google/gemini-3.5-flash-lite | 1049k | $0.30 / 1M | $2.50 / 1M | tools, reasoning, vision |
| google/gemini-3.6-flash | 1049k | $1.50 / 1M | $7.50 / 1M | tools, reasoning, vision |
| qwen/qwen3.8-max-preview | 1000k | $2.50 / 1M | $7.50 / 1M | tools, reasoning, vision |
| moonshotai/kimi-k3 | 1049k | $3.00 / 1M | $15.00 / 1M | tools, reasoning, open-weights, vision |
| thinkingmachines/inkling | 66k | $1.87 / 1M | $4.68 / 1M | tools, reasoning, open-weights, vision |
| openai/gpt-5.6-luna | 1050k | $0.20 / 1M | $1.20 / 1M | tools, reasoning, vision |
| openai/gpt-5.6-sol | 1050k | $5.00 / 1M | $30.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.6-terra | 1050k | $2.00 / 1M | $12.00 / 1M | tools, reasoning, vision |
| xai/grok-4.5 | 500k | $2.00 / 1M | $6.00 / 1M | tools, reasoning, vision |
| anthropic/claude-sonnet-5 | 1000k | $2.00 / 1M | $10.00 / 1M | tools, reasoning, vision |
| fireworks/glm-5.2 | 1000k | $1.40 / 1M | $4.40 / 1M | tools, reasoning, open-weights |
| zai/glm-5.2 | 1000k | $1.40 / 1M | $4.40 / 1M | tools, reasoning, open-weights |
| anthropic/claude-fable-5 | 1000k | $10.00 / 1M | $50.00 / 1M | tools, reasoning, vision |
| qwen/qwen3.7-plus | 1000k | $0.40 / 1M | $1.60 / 1M | tools, reasoning, vision |
| anthropic/claude-opus-4-8 | 1000k | $5.00 / 1M | $25.00 / 1M | tools, reasoning, vision |
| qwen/qwen3.7-max | 1000k | $2.50 / 1M | $7.50 / 1M | tools, reasoning |
| google/gemini-3.5-flash | 1049k | $1.50 / 1M | $9.00 / 1M | tools, reasoning, vision |
| google/gemini-3.1-flash-lite | 1049k | $0.25 / 1M | $1.50 / 1M | tools, reasoning, vision |
| qwen/qwen3.6-flash | 1000k | $0.25 / 1M | $1.50 / 1M | tools, reasoning, vision |
| deepseek/deepseek-v4-flash | 1000k | $0.19 / 1M | $0.51 / 1M | tools, reasoning, open-weights |
| deepseek/deepseek-v4-pro | 1000k | $1.74 / 1M | $3.48 / 1M | tools, reasoning, open-weights |
| openai/gpt-5.5 | 1050k | $5.00 / 1M | $30.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.5-pro | 1050k | $30.00 / 1M | $180.00 / 1M | tools, reasoning, vision |
| xiaomi/mimo-v2.5 | 1049k | $0.14 / 1M | $0.28 / 1M | tools, reasoning, open-weights, vision |
| xai/grok-4.3 | 1000k | $1.25 / 1M | $2.50 / 1M | tools, reasoning, vision |
| anthropic/claude-opus-4-7 | 1000k | $5.00 / 1M | $25.00 / 1M | tools, reasoning, vision |
| xai/grok-build-0.1 | 256k | $1.00 / 1M | $2.00 / 1M | tools, reasoning, vision |
| zai/glm-5.1 | 200k | $1.40 / 1M | $4.40 / 1M | tools, reasoning, open-weights |
| openai/gpt-5.4-mini | 400k | $0.75 / 1M | $4.50 / 1M | tools, reasoning, vision |
| openai/gpt-5.4-nano | 400k | $0.20 / 1M | $1.25 / 1M | tools, reasoning, vision |
| zai/glm-5-turbo | 200k | $1.20 / 1M | $4.00 / 1M | tools, reasoning |
| xai/grok-4.20-0309-non-reasoning | 1000k | $1.25 / 1M | $2.50 / 1M | tools, vision |
| xai/grok-4.20-0309-reasoning | 1000k | $1.25 / 1M | $2.50 / 1M | tools, reasoning, vision |
| openai/gpt-5.4 | 1050k | $2.50 / 1M | $15.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.4-pro | 1050k | $30.00 / 1M | $180.00 / 1M | tools, reasoning, vision |
| google/gemini-3.1-pro-preview | 1049k | $2.00 / 1M | $12.00 / 1M | tools, reasoning, vision |
| anthropic/claude-sonnet-4-6 | 1000k | $3.00 / 1M | $15.00 / 1M | tools, reasoning, vision |
| zai/glm-5 | 205k | $1.00 / 1M | $3.20 / 1M | tools, reasoning, open-weights |
| anthropic/claude-opus-4-6 | 1000k | $5.00 / 1M | $25.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.3-codex | 400k | $1.75 / 1M | $14.00 / 1M | tools, reasoning, vision |
| zai/glm-4.7 | 205k | $0.60 / 1M | $2.20 / 1M | tools, reasoning, open-weights |
| openai/gpt-5.2 | 400k | $1.75 / 1M | $14.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.2-codex | 400k | $1.75 / 1M | $14.00 / 1M | tools, reasoning, vision |
| anthropic/claude-opus-4-5 | 200k | $5.00 / 1M | $25.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.1 | 400k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.1-codex | 400k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| openai/gpt-5.1-codex-mini | 400k | $0.25 / 1M | $2.00 / 1M | tools, reasoning, vision |
| anthropic/claude-haiku-4-5 | 200k | $1.00 / 1M | $5.00 / 1M | tools, reasoning, vision |
| openai/gpt-5-pro | 400k | $15.00 / 1M | $120.00 / 1M | tools, reasoning, vision |
| zai/glm-4.6 | 205k | $0.60 / 1M | $2.20 / 1M | tools, reasoning, open-weights |
| anthropic/claude-sonnet-4-5 | 200k | $3.00 / 1M | $15.00 / 1M | tools, reasoning, vision |
| openai/gpt-5-codex | 400k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| 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 |
| cerebras/gpt-oss-120b | 131k | $0.35 / 1M | $0.75 / 1M | tools, reasoning, open-weights |
| fireworks/gpt-oss-120b | 131k | $0.15 / 1M | $0.60 / 1M | tools, reasoning, open-weights |
| fireworks/gpt-oss-20b | 131k | $0.07 / 1M | $0.30 / 1M | tools, reasoning, open-weights |
| groq/gpt-oss-120b | 131k | $0.15 / 1M | $0.60 / 1M | tools, reasoning, open-weights |
| groq/gpt-oss-20b | 131k | $0.07 / 1M | $0.30 / 1M | tools, reasoning, open-weights |
| zai/glm-4.5 | 131k | $0.60 / 1M | $2.20 / 1M | tools, reasoning, open-weights |
| zai/glm-4.5-air | 131k | $0.20 / 1M | $1.10 / 1M | tools, reasoning, open-weights |
| google/gemini-2.5-flash | 1049k | $0.30 / 1M | $2.50 / 1M | tools, reasoning, vision |
| google/gemini-2.5-flash-lite | 1049k | $0.10 / 1M | $0.40 / 1M | tools, reasoning, vision |
| google/gemini-2.5-pro | 1049k | $1.25 / 1M | $10.00 / 1M | tools, reasoning, vision |
| openai/o3 | 200k | $2.00 / 1M | $8.00 / 1M | tools, reasoning, vision |
| openai/o4-mini | 200k | $1.10 / 1M | $4.40 / 1M | tools, reasoning, vision |
| openai/gpt-4.1 | 1048k | $2.00 / 1M | $8.00 / 1M | tools, vision |
| openai/gpt-4.1-mini | 1048k | $0.40 / 1M | $1.60 / 1M | tools, vision |
| openai/gpt-4.1-nano | 1048k | $0.10 / 1M | $0.40 / 1M | tools, vision |
| openai/o3-mini | 200k | $1.10 / 1M | $4.40 / 1M | tools, reasoning |
| openai/o1 | 200k | $15.00 / 1M | $60.00 / 1M | tools, reasoning, vision |
| openai/gpt-4o-mini | 128k | $0.15 / 1M | $0.60 / 1M | tools, vision |
| openai/gpt-4o | 128k | $2.50 / 1M | $10.00 / 1M | tools, vision |
| openai/gpt-4-turbo | 128k | $10.00 / 1M | $30.00 / 1M | tools, vision |
| openai/gpt-3.5-turbo | 16k | $0.50 / 1M | $1.50 / 1M | — |
Sourced from models.dev. Pricing reflects the catalog at the time this page was rendered.