Which is cheaper, GPT-5 or Gpt 5 1 Codex?
GPT-5 costs $1.25/M input; Gpt 5 1 Codex costs $1.25/M input. Price spread matters at billion-token scale.
Gateway catalog snapshot.
GPT-5 is cheaper at $1.25/M input vs $1.25/M input for Gpt 5 1 Codex. Compare context, hosts, and o10 routing bands.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
GPT-5 vs Gpt 5 1 Codex. Price, context, routing
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AnswersSelf-contained
How do GPT-5 and Gpt 5 1 Codex context windows compare?
GPT-5: 400,000 tokens. Gpt 5 1 Codex: 400,000 tokens.
01Deep dive
Comparison summary
GPT-5 is cheaper at $1.25/M input vs $1.25/M input for Gpt 5 1 Codex. Compare context, hosts, and o10 routing bands.
GPT-5 is cheaper at $1.25/M input vs $1.25/M input for Gpt 5 1 Codex. Compare context, hosts, and o10 routing bands.
SourceMethodology
o10 gateway + fulfillment catalog snapshot.
FAQFrequently asked questions
Common questions
Which is cheaper, GPT-5 or Gpt 5 1 Codex?
GPT-5 at $1.25/M input vs $1.25/M for Gpt 5 1 Codex.
Can you run both on the same hosts?
GPT-5: OpenRouter. Gpt 5 1 Codex: OpenRouter.