LLM
GPT-5.1 Codex
by OpenAI
GPT-5.1 code-optimized variant.
Context
128k
Providers
2
Cheapest Input
$0.500
Function Calling JSON Mode Streaming Code
Price Comparison
Compare pricing across 2 providers serving GPT-5.1 Codex
| Provider | Input $/1M | Output $/1M | Context | Speed | TTFT | Status |
|---|---|---|---|---|---|---|
| KI KIE AI | $0.500 ● | $4.00 | — | — | — | Live |
| OP OpenRouter | $1.25 | $10.00 | — | — | — | Live |
● Cheapest ● Fastest Prices in USD per 1M tokens