GPT-5.3 Chat (latest)

by OpenAI · gpt family · released 2026-03-03

On output pricing, GPT-5.3 Chat (latest) is cheaper than 90 of the 588 priced models tracked here, at $14/Mtok. Its 128,000-token context window is larger than 204 of 674 models. Capabilities: vision, tools, structured output.

Specifications

ProviderOpenAI
Familygpt
Input price$1.75/Mtok
Output price$14/Mtok
Cache read price$0.175/Mtok
Context window128,000
Max output tokens16,384
Input modalitiestext, image
Output modalitiestext
Capabilitiesvision, tools, structured output
Knowledge cutoff2025-08-31
Released2026-03-03

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Data synced daily from models.dev (last synced 14 hours ago). Always verify pricing with OpenAI before deploying to production.