GPT-5 Codex (high)
Specifications
Technical details and pricing.
Benchmarks
10 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
EU-Hosted Inference API
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$0.40 / $1.40
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Frequently Asked Questions
What is GPT-5 Codex (high) good for?
GPT-5 Codex (high) currently has benchmark and pricing data on this page. Runtime metadata will appear later when the model catalog entry becomes available.
How much does GPT-5 Codex (high) cost?
Pricing is based on usage. Current rates are $1.25/1M tokens for input and $10.00/1M tokens for output.
Can I use GPT-5 Codex (high) in LLMBase Chat?
Yes. Use the chat action on this page to open GPT-5 Codex (high) in LLMBase Chat. Access still follows the current plan and model tier.
Does GPT-5 Codex (high) support images or audio?
GPT-5 Codex (high) can understand images.
Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.