API pricing per million tokens
o3-pro ReasoningChecked 7h ago
- Input
- $20
- per 1M, list
- Output
- $80
- per 1M tokens
- Cached input
- n/a
- no batch tier listed
- Context
- 200K
- 100K max output
Where to buy it (1)
OpenAI (list)the lab's own API$20 / $80$35 blended
Through a gateway
Your own numbers100M input and 20M output tokens a month: $3,600 direct.
Helicone$3,600+0%
Kong AI Gateway$3,600+0%
LiteLLM$3,600+0%
Vercel AI Gateway$3,600+0%
AWS Bedrock$3,600+0%
Azure AI Foundry$3,600+0%
Google Vertex AI$3,600+0%
Databricks Mosaic AI$3,600+0%
Hugging Face Inference$3,600+0%
Cloudflare AI Gateway$3,780+5%
Requesty$3,780+5%
Eden AI$3,798+5.5%
OpenRouter$3,798+5.5%
Snowflake Cortex AI$4,320+20%
Martian Gatewayn/a
Portkeyn/a
TrueFoundry AI Gatewayn/a
IBM watsonx.ain/a
OCI Generative AIn/a
NVIDIA NIMn/a
Related models
ModelInputOutputCachedContextReleased
Claude Fable 5.1Anthropic · 1M$10 / $50in / out per 1M$10$50$0.251MSep 1, 2026
About o3 Pro
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.
Takes text, files, image in and returns text. First listed Jun 13, 2025. Blended price $35 per 1M tokens at 3 input to 1 output. Overall score 2 on leadersboard.fru.dev (rank 48).
Questions
How much does o3 Pro cost?
$20 per million input tokens and $80 per million output tokens.
What is the context window of o3 Pro?
200K tokens, with up to 100K tokens of output.
List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.