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 5.3 Codex

Same model, served by 2 providers.

openaiClosed400k contextReleased 2026-02-05openai/gpt-5.3-codex

Providers

Standard tier onlyFull precision only
ProviderTheir model idServingInputOutputCached inBlended 3:1Source
Azure AI Foundry
gpt-5.3-codex
standardglobal endpointQuantization not disclosed
$1.75$14.0$0.175$4.81
Provider API
Verified 6h ago · Changed 8h ago
OpenAI
Original creator
gpt-5.3-codex
standardQuantization not disclosed
$1.75$14.0$0.175$4.81
Unverified (via models.dev)
Verified 8h ago · Changed 8h ago
Azure AI Foundry
gpt-5.3-codex
standarddata zone (US)Quantization not disclosed
$1.93$15.4$0.193$5.29
Provider API
Verified 6h ago · Changed 8h ago
Azure AI Foundry
gpt-5.3-codex
priorityglobal endpointQuantization not disclosed
$3.5$28.0$0.35$9.63
Provider API
Verified 6h ago · Changed 8h ago
Azure AI Foundry
gpt-5.3-codex
prioritydata zone (US)Quantization not disclosed
$3.85$30.8$0.385$10.59
Provider API
Verified 6h ago · Changed 8h ago

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

Azure AI Foundry global endpoint$455/mo
OpenAI $455/mo
Azure AI Foundry data zone (US)$500.5/mo

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