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Overview Models Image, video & speech Coding tools Production API reference

Overview Models Image, video & speech Coding tools Production API reference

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Available models Image request builder

Chat models

Gemini chat GLM-5.3 GLM-5.3 Flash Kimi K3 Qwen DeepSeek V4.1 / V4 Grok US Region

gpt-5-nanoChatExamples verified 2026-09-25

GPT 5 Nano

Native Codex and OpenAI SDK models, available on both Responses and Chat Completions.

Official price: $0.05 / $0.40/ 1M tokensInput / output
Context window: 400K tokens400,000

Read the integration guideJSON Schema

Available groups

GPT Official Direct (Azure)

Integration guide

Pricing

Official price in USD. Actual charge = official price × group multiplier.

Input: $0.05 / 1M tokens
Cached input: $0.005 / 1M tokens
Output: $0.40 / 1M tokens
Context over 272K: input ×1 · output ×1

Endpoints

POST/v1/responses
POST/v1/chat/completions

Same family

gpt-6.1-sol gpt-6-sol gpt-6-luna gpt-6-astra gpt-5.6-terra gpt-5.6-sol gpt-5.5 gpt-5.4-pro gpt-5.4-nano gpt-5.4-mini gpt-5.4 gpt-5.3-codex-spark gpt-5.2 gpt-5.1 gpt-5-mini gpt-5 gpt-4o-mini gpt-4o gpt-4.1-nano gpt-4.1-mini gpt-4.1 codex-auto-review

Prices come from the public catalog; limits come from specs exported from the gateway’s validation code. Actual charge = official price × group multiplier.