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LLM Model Comparison
Compare LLM model specifications and capabilities side by side
gpt-5-codex
OpenAIModalities
Modalities
Specifications
Specifications
Context Length
65,536
Context Length
400,000
Max Output Tokens
32,768
Max Output Tokens
128,000
Release Date
11/20/2025
Release Date
9/23/2025
Pricing
Pricing
Input Price ($/M tokens)
$2.00
Input Price ($/M tokens)
37.5% cheaper
$1.25
Output Price ($/M tokens)
$12.00
Output Price ($/M tokens)
16.7% cheaper
$10.00
Capabilities
Capabilities
Reasoning
Reasoning
Tool Calling
Tool Calling
Structured Outputs
Structured Outputs
Web Search
Web Search