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LLM Model Comparison
Compare LLM model specifications and capabilities side by side
codex-mini
OpenAIgpt-5-codex
OpenAIModalities
Modalities
Specifications
Specifications
Context Length
200,000
Context Length
400,000
Max Output Tokens
100,000
Max Output Tokens
128,000
Release Date
5/16/2025
Release Date
9/23/2025
Pricing
Pricing
Input Price ($/M tokens)
$1.50
Input Price ($/M tokens)
16.7% cheaper
$1.25
Output Price ($/M tokens)
40.0% cheaper
$6.00
Output Price ($/M tokens)
$10.00
Capabilities
Capabilities
Reasoning
Reasoning
Tool Calling
Tool Calling
Structured Outputs
Structured Outputs
Web Search
Web Search