o3-pro

by OpenAIChat

High-effort o3 tier for difficult technical reasoning and careful answers

Context
200K tokens
Max output
100,000 tokens
Released
2025-06-10
Weights
Closed

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openai/o3-pro · also seen as openai/o3-pro-2025-06-10, o3-pro-2025-06-10

Specifications

Full facts as recorded, incl. what is unknown.

Released
2025-06-10
Weights
Closed
Input
Text, Image
Output
Text
Context window
200,000 max across endpoints
Max output
100,000
Providers
3 + 8 gateways, not counted as providers
Epoch Capabilities Index
147.4 ± 2.2 against price
Direct price range
$20.00–$27.51 in · $80.00–$110.03 out per 1M tokens · across all 3 providers
More details
Last updated
2025-06-10
Knowledge cutoff
2024-05
Developer country
United States of America

Capabilities

Across all endpoints: supported if any endpoint supports it.

  • Tool calling
  • Parallel tools
  • Structured output
  • Reasoning
  • Image input
  • PDF input
  • Audio input
  • Audio outputunknown
  • Video input
  • Prompt caching
  • Web search
  • Computer useunknown
  • System messagesunknown
  • Assistant prefillunknown
  • Temperature
  • Streamingunknown
  • Attachments

Endpoints

One row per provider and variant; gateways are listed separately.

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Price history

Atom feed

No change since 19 Oct 2026. The cheapest direct price has been $20 in / $80 out per 1M tokens at OpenAI on every data refresh since then.

Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON

Cost calculator

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Similarly priced models

Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).

ModelBlended/1MIn/1MOut/1MContextvs o3-pro
GPT-5 ProOpenAI$29.25$13.50$108400K−3% cheaper
GPT-6 Astra (Fast)OpenAI$33.33$20$1001.05M+11%
Claude Opus 3Anthropic$25$15$75200K−17% cheaper
GPT-4OpenAI$35$30$608.2K+17%
Claude Opus 4Anthropic$22.50$13.50$67.50200K−25% cheaper
Claude Opus 4.1Anthropic$22.50$13.50$67.50200K−25% cheaper
o1OpenAI$22.50$15$60200K−25% cheaper
Nano Banana ProGoogle$21.67$2.00$120131K−28% cheaper

More from OpenAI

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ModelReleasedContextListed price
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GPT-6.1 Sol2026-09-291.05Mfrom $2.00
GPT-6.1 Sol Pro2026-09-291.05Mfrom $2.00
GPT-6 Luna2026-09-221.05Mfrom $0.10
GPT-6 Sol2026-09-221.05Mfrom $2.00
GPT-6 Sol Pro2026-09-221.05Mfrom $2.00
GPT-6 Luna Pro2026-09-221.05Mfrom $0.10
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model