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GPT-5 Codex
Closed
OpenAI
Proprietary
text
vision
GPT-5Released 1y agoAvg score
50.3
/ 100 · not enough data for the index
Context
400k
Output limit
128k
Input price
$1.25 /M
Output price
$10.00 /M
Hand-maintained price, verified 7d ago · cached input $0.13 /M · Responses API only; same per-token price as GPT-5.
Benchmarks
agentic
Terminal-Bench 2Fresh
%Long-horizon shell-and-filesystem tasks executed in a sandboxed terminal, scored by whether the agent's final state matches a target state. Tests practical tool-using ability for everyday devops and data-wrangling work; one of the hardest agentic benchmarks today.
Reliability monitor
Loading drift signal…
Hosted endpoints
No third-party hosts tracked for this model — available only from its primary provider.