GPT-5 Codex
NanoGPT
GPT-5 Codex by NanoGPT costs $10.00 per 1M input tokens and $19.99 per 1M output tokens, with a 256K-token context window.
Pricing
Input (per 1M tokens)
$10.00
Output (per 1M tokens)
$19.99
Cached input (per 1M)
—
Specifications
- Provider
- NanoGPT
- Context window
- 256K tokens
- Parameters
- —
- Released
- Sep 2025
- Open weights
- No
- Frontier model
- No
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FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.