Lightweight code-focused model for efficient software development workflows.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
Lightweight code-focused model for efficient software development workflows. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for GPT-5.1 Codex mini on LLM Gateway starts at $0.25 per million input tokens and $2.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
GPT-5.1 Codex mini supports a context window of up to 400,000 tokens on its largest provider deployment.
GPT-5.1 Codex mini is served by GapGPT, OpenRouter, Azure through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. GPT-5.1 Codex mini supports both tool (function) calling and strict JSON output schema (upstream-enforced) through LLM Gateway.
GPT-5.1 Codex mini was released on November 12, 2025.
GPT Image 2.5 Flare
$5.00 in / $0.00 out per 1M
GPT Image 2.5 Sunburst
$5.00 in / $0.00 out per 1M
GPT-6 Astra
1,050,000 context$10.00 in / $50.00 out per 1M
GPT-5.6 Sol
1,050,000 context$5.00 in / $30.00 out per 1M
GPT-5.6 Terra
1,050,000 context$2.00 in / $12.00 out per 1M
GPT-5.6 Luna
1,050,000 context$0.20 in / $1.20 out per 1M