Gpt 5.1 Codex Mini costs $0.250/1M input tokens and $2.00/1M output tokens as of 2026-06-27. Openrouter publishes this model with a 400K tokens context window. o10 lists Gpt 5.1 Codex Mini on OpenAI at routing band C4.
Gpt 5.1 Codex Mini pricing — input/output per 1M tokens
AnswersSelf-contained
How much does Gpt 5.1 Codex Mini cost per million tokens?
Gpt 5.1 Codex Mini costs $0.250/1M input tokens and $2.00/1M output tokens in the gateway catalog snapshot (2026-06-27). Endpoint pricing may differ by fulfillment host.
Sourced from gateway catalog snapshot.
Where can you run Gpt 5.1 Codex Mini?
Gpt 5.1 Codex Mini is configured on OpenAI. Each host maps to an upstream model ID listed in the fulfillment routes table. This model is routable through o10 eval-gated routing.
What is Gpt 5.1 Codex Mini's context window?
Gpt 5.1 Codex Mini supports a 400K tokens context window in the gateway catalog snapshot. Context limits may vary by fulfillment host endpoint.
01Deep dive
Token pricing
Gateway snapshot pricing for Gpt 5.1 Codex Mini.
Gpt 5.1 Codex Mini token pricing
Unit
Price
Input
$0.25/1M tokens
Output
$2/1M tokens
02Deep dive
Fulfillment hosts
Upstream venues configured for Gpt 5.1 Codex Mini.
Gpt 5.1 Codex Mini costs $0.250/1M input tokens and $2.00/1M output tokens in the gateway snapshot (2026-06-27). Verify against your provider's published pricing.
What is Gpt 5.1 Codex Mini's context window?
Gpt 5.1 Codex Mini supports 400K tokens in the gateway catalog snapshot. Host-specific endpoints may differ.
Which hosts serve Gpt 5.1 Codex Mini?
Gpt 5.1 Codex Mini (gpt-5.1-codex-mini) is configured on: OpenAI. Upstream model IDs are listed in the fulfillment routes section.
Is Gpt 5.1 Codex Mini routable through o10?
Yes. Gpt 5.1 Codex Mini is routable at band C4. Send model: "gpt-5.1-codex-mini" or use an o10 smart routing alias.
How do I call Gpt 5.1 Codex Mini via o10?
Use o10 slug "gpt-5.1-codex-mini" or gateway ID "openai/gpt-5.1-codex-mini" depending on your integration. Gateway-compatible endpoints accept OpenAI-style /v1 requests.
How does o10 route this model?
o10 routes Gpt 5.1 Codex Mini only when per-use-case evals clear at your quality floor. Band C4 indicates cost tier. See /kyi for governance and /models/routing for smart aliases.