Which is cheaper, Gpt 5 4 or GPT-5?
GPT-5 costs $1.25/M input; Gpt 5 4 costs $2.5/M input. Price spread matters at billion-token scale.
Gateway catalog snapshot.
GPT-5 is cheaper at $1.25/M input vs $2.5/M input for Gpt 5 4. 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 4 vs GPT-5. Price, context, routing
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AnswersSelf-contained
How do Gpt 5 4 and GPT-5 context windows compare?
Gpt 5 4: 1,050,000 tokens. GPT-5: 400,000 tokens.
01Deep dive
Comparison summary
GPT-5 is cheaper at $1.25/M input vs $2.5/M input for Gpt 5 4. Compare context, hosts, and o10 routing bands.
GPT-5 is cheaper at $1.25/M input vs $2.5/M input for Gpt 5 4. Compare context, hosts, and o10 routing bands.
SourceMethodology
o10 gateway + fulfillment catalog snapshot.
FAQFrequently asked questions
Common questions
Which is cheaper, Gpt 5 4 or GPT-5?
GPT-5 at $1.25/M input vs $2.5/M for Gpt 5 4.
Can you run both on the same hosts?
Gpt 5 4: OpenRouter. GPT-5: OpenRouter.