OpenRouter · gpt-5.1

API GatewayOpenAI compatible

Unified API gateway providing access to 200+ models from multiple providers with standardized pricing.

Active models
370+ 355 deprecated
Families
97
Founded2023
Latest release2026-10-28
API Base URL
Capabilities
Model
OpenAI: GPT-5.1openai/gpt-5.1
OpenAI: GPT-5.1-Codexopenai/gpt-5.1-codex
OpenAI: GPT-5.1-Codex-Maxopenai/gpt-5.1-codex-max
OpenAI: GPT-5.1-Codex-Miniopenai/gpt-5.1-codex-mini