OpenAI: GPT-5.1-Codex
Kilo Gateway
OpenAI: GPT-5.1-Codex by Kilo Gateway costs $1.25 per 1M input tokens and $10.00 per 1M output tokens, with a 400K-token context window.
Pricing
Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$10.00
Cached input (per 1M)
$0.13
Specifications
- Provider
- Kilo Gateway
- Context window
- 400K tokens
- Parameters
- —
- Released
- Nov 2025
- Open weights
- No
- Frontier model
- No
Compare OpenAI: GPT-5.1-Codex with…
OpenAI: GPT-5.1-Codex vs Anthropic: Claude Opus 4.5$25.00/1MOpenAI: GPT-5.1-Codex vs MoonshotAI: Kimi K2.6$3.50/1MOpenAI: GPT-5.1-Codex vs OpenAI: gpt-oss-120b$0.19/1MOpenAI: GPT-5.1-Codex vs OpenAI: GPT-5 Pro$120.00/1MOpenAI: GPT-5.1-Codex vs DeepSeek: R1$2.50/1MOpenAI: GPT-5.1-Codex vs Qwen: Qwen3.7 Max$4.88/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.