LLM PricesModelsChangelog
Prices in USD per 1M tokens, text only. Each price shows where it came from and when it was last verified. Prices marked unverified come from models.dev (community-maintained) until we read them from the provider directly.
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GPT-5.5 Pro

Same model, served by 1 provider.

openaiClosed1.1M contextReleased 2026-04-23openai/gpt-5.5-pro

Providers

Standard tier onlyFull precision only
ProviderTheir model idServingInputOutputCached inBlended 3:1Source
OpenAI
Original creator
gpt-5.5-pro
standardQuantization not disclosed
$30.0$180.0—$67.5
Unverified (via models.dev)
Verified 7h ago · Changed 7h ago
More prices
  • input (prompts > 200k): $60.0
  • input (prompts > 272k): $60.0
  • output (prompts > 200k): $270.0
  • output (prompts > 272k): $270.0

Same weights don't always mean identical outputs: quantization, context limits and serving stacks can change quality, especially for tool calling. Prices are USD per 1M tokens; hyperscaler prices are for the reference region shown.

Monthly cost estimate

OpenAI $6,600/mo

Cache hits use each provider's cached-input price where it has one. Cache write costs aren't included.