GPT-5 is cheaper at $1.25/M input vs $1.75/M input for Gpt 5 3 Chat. 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 3 Chat vs GPT-5. Price, context, routing

AnswersSelf-contained

Which is cheaper, Gpt 5 3 Chat or GPT-5?

GPT-5 costs $1.25/M input; Gpt 5 3 Chat costs $1.75/M input. Price spread matters at billion-token scale.

Gateway catalog snapshot.

How do Gpt 5 3 Chat and GPT-5 context windows compare?

Gpt 5 3 Chat: 128,000 tokens. GPT-5: 400,000 tokens.

01Deep dive

Comparison summary

GPT-5 is cheaper at $1.25/M input vs $1.75/M input for Gpt 5 3 Chat. Compare context, hosts, and o10 routing bands.

GPT-5 is cheaper at $1.25/M input vs $1.75/M input for Gpt 5 3 Chat. Compare context, hosts, and o10 routing bands.

SourceMethodology

o10 gateway + fulfillment catalog snapshot.

FAQFrequently asked questions

Common questions

Which is cheaper, Gpt 5 3 Chat or GPT-5?

GPT-5 at $1.25/M input vs $1.75/M for Gpt 5 3 Chat.

Can you run both on the same hosts?

Gpt 5 3 Chat: OpenRouter. GPT-5: OpenRouter.