Model Details
Released
Sep 2025
Status
Active
Context Length
400K
Max Output
128K
Provider
OpenAI
Where is gpt-5-codex a perfect fit?
GPT-5-Codex builds on OpenAI’s coding lineage, providing advanced programming assistance and reasoning capabilities with stronger accuracy, context handling, and language versatility than prior Codex models.
Perfect Fit For:
- Code generation, completion, and refactoring
- API and script automation
- Multi-language programming support (Python, JavaScript, Go, etc.)
- Development tools, IDE assistants, and software documentation generation
Perfect Fit For:
- Code generation, completion, and refactoring
- API and script automation
- Multi-language programming support (Python, JavaScript, Go, etc.)
- Development tools, IDE assistants, and software documentation generation
Quick Model Estimate
Your GPT-5 Cost Estimate
💰 Total Cost
USD 3.00
for 1000 input + 1000 output tokens
📥 Input (1000 × $1.250000)
USD 1.5000
📤 Output (1000 × $10.000000)
USD 1.5000
Cost Breakdown
📥 Input 50%
📤 Output 50%
Prices updated daily from official provider data.
Pricing
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 OpenAI
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Text | $1.2500 | $10.0000 | 400,000 tokens | 2026-03-21 | → |
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OpenAI
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Text | $2.5000 | $20.0000 | 400,000 tokens | 2026-03-21 | → |