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GPT-5.1 Codex mini

gpt-5.1-codex-mini

GPT-5.1 Codex mini is a smaller, faster, and cheaper version of GPT-5.1 Codex.

Available at 11 Providers

Provider Source Input Price ($/1M) Output Price ($/1M) Description Free
vercel vercel Input: $0.25 Output: $2.00 GPT-5.1 Codex mini is a smaller, faster, and cheaper version of GPT-5.1 Codex.
poe poe Input: $0.22 Output: $1.80 GPT‑5.1‑Codex‑Mini is a lightweight, fast, and efficient code‑generation model derived from GPT‑5.1‑Codex. It’s optimized for quick iterations, smaller environments, and edge applications—offering strong coding assistance with lower computational cost while maintaining accuracy and utility. Supports 400k tokens of input context. Optional parameters: To instruct the bot to use more reasoning effort, add --reasoning_effort to the end of your message with one of "low", "medium", or "high"
githubcopilot models-dev Input: $0.00 Output: $0.00 Provider: GitHub Copilot, Context: 128000, Output Limit: 100000
azure models-dev Input: $0.25 Output: $2.00 Provider: Azure, Context: 400000, Output Limit: 128000
helicone models-dev Input: $0.25 Output: $2.00 Provider: Helicone, Context: 400000, Output Limit: 128000
opencode models-dev Input: $0.25 Output: $2.00 Provider: OpenCode Zen, Context: 400000, Output Limit: 128000
openai models-dev Input: $0.25 Output: $2.00 Provider: OpenAI, Context: 400000, Output Limit: 128000
zenmux models-dev Input: $0.25 Output: $2.00 Provider: ZenMux, Context: 400000, Output Limit: 64000
aihubmix models-dev Input: $0.25 Output: $2.00 Provider: AIHubMix, Context: 400000, Output Limit: 128000
azurecognitiveservices models-dev Input: $0.25 Output: $2.00 Provider: Azure Cognitive Services, Context: 400000, Output Limit: 128000
openrouter openrouter Input: $0.25 Output: $2.00 GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex Context: 400000