OpenAI
GPT-5.3-Codex API Pricing
"Most capable agentic coding model to date," optimized for Codex environments. Fine-tuning not supported. Knowledge cutoff Aug 31 2025. Batch: $0.875/$7.00 per MTok.
Verified against OpenAI’s pricing page on 2026-07-02.
View source ↗Facts
Specs
- FamilyCodex
- API IDgpt-5.3-codex
- ModalityMultimodal
- Context window400K tokens
- Max output128K tokens
- Release dateNot published
Pricing (per 1M tokens)
- Input$1.75 / 1M tokens
- Output$14.00 / 1M tokens
- Cached input$0.175 / 1M tokens
- Cache write—
- Batch discount50%
Capabilities
vision, reasoning, function-calling, structured-outputs, streaming
Notes
"Most capable agentic coding model to date," optimized for Codex environments. Fine-tuning not supported. Knowledge cutoff Aug 31 2025. Batch: $0.875/$7.00 per MTok.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Est. monthly cost |
|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $420.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $609.00 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $280.00 |
Price history
Changes we have documented since we began tracking
No price changes recorded since we began tracking.
GPT-5.3-Codex pricing FAQ
- How much does GPT-5.3-Codex cost per 1M tokens?
- GPT-5.3-Codex costs $1.75 per 1M input tokens and $14.00 per 1M output tokens.
- How much does GPT-5.3-Codex cost per request?
- A typical request of 800 input and 200 output tokens costs about $0.0042 on GPT-5.3-Codex.
- Is GPT-5.3-Codex cheaper than chat-latest?
- GPT-5.3-Codex is cheaper than chat-latest on input tokens, by about 65%.
- Does GPT-5.3-Codex have cache pricing?
- Yes — cached input reads cost $0.175 per 1M tokens.