GPT-5.1 Codex

GPT-5.1 specialized for code generation and software development tasks.

gpt-5.1-codex
STABLE
Streaming
Vision
Tools
Reasoning
JSON Output

Select Provider

OpenAI Pricing for GPT-5.1 Codex

View detailed pricing and capabilities for this provider.

OpenAI

openai/gpt-5.1-codex
Context Size
400k
Stability
STABLE
Pricing
Input
$1.25
/M
Cached
—
Output
$10.00
/M
Capabilities
Streaming
Vision
Tools
Reasoning
JSON Output
Try in Playground