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GPT-5.3 Codex
model gpt-5.3-codex400K
context
128K
max output
$1.75/M
input
$14.00/M
output
2025-08
knowledge cutoff
2
providers
01Providers
| Provider | Provider model ID | In $/M | Out $/M | Context | Status |
|---|---|---|---|---|---|
| OpenAI API | gpt-5.3-codex | 1.75 | 14.00 | 400K | live |
| OpenRouter | openai/gpt-5.3-codex | 1.75 | 14.00 | 400K | live |
02Invoke
provider
language
03Benchmarks · vendor-reported unless verified
SWE-Atlas Codebase QnA score32.6 score
SWE-Atlas Refactoring score42.38 score
SWE-Atlas Test Writing score38.98 score