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AI Atlas
ModelDeprecatedProprietary

o3-pro

OpenAIdevelopers.openai.com/api/docs/models/o3-pro

Version of o3 with more compute for better responses

quality72

Updated 21 min ago · first seen 11 Sept 2026

model_01M293V788AWCWYN9TSY8YNGJ8

Context
200K tokens
T2 · 21 min ago
Released
10 Jun 2025
T2 · 21 min ago
Knowledge cutoff
Jun 2024
T2 · 21 min ago

Specification

Release date
10 Jun 2025

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Status
deprecated

Source:OpenAI Platform docsT1observed 39 min agohigh

Openness
proprietary

Source:OpenAI Platform docsT1observed 39 min agohigh

Context window
200K tokens

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Max output
100K tokens

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Knowledge cutoff
Jun 2024

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Modalities
image, text

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Input modalities
image, text

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Output modalities
text

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Tokenizer
GPT

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

API model id
o3-pro

Source:OpenAI Platform docsT1observed 39 min agohigh

Deprecation date
11 Jun 2026

Source:OpenAI Platform docsT1observed 39 min agohigh

Retirement date
11 Dec 2026

Source:OpenAI Platform docsT1observed 39 min agohigh

Retirement tentative
No

Source:OpenAI Platform docsT1observed 39 min agohigh

Official page

Source:OpenAI Platform docsT1observed 39 min agohigh

File input
Yes

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Openrouter id
openai/o3-pro

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Retired snapshots
o3-pro-2025-06-10

Source:OpenAI Platform docsT1observed 39 min agohigh

Supported parameters
include_reasoning, max_tokens, reasoning, response_format, seed, structured_outputs, tool_choice, tools

Source:OpenRouter public model & pricing listingT2observed 21 min agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

24

Source tiers

T1T29 / 15

Freshest observation

21 min ago

Conflicts

None