llmboard.ai
Benchmarks
CompareRankings
llmboard.ai
Benchmarks
CompareRankings
HomeModelso3 pro

OpenAI model product

o3 pro

Version of o3 with more compute for better responses. The o3-pro model uses more compute to think harder and provide consistently better answers. Designed to tackle tough problems with advanced reasoning capabilities.

Updated Aug 10, 2026. Default version: o3-pro

Compare
LLMBoard scoreN/ANot scored
CoverageN/ANo published score
Context window200KTokens
Official input price$20OpenAI API

On this page

  • Specification
  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Versions
  • About
  • Similar models
  • FAQ

Model specification

Structured fields from the published default version.

Version
o3-pro
Released
Jun 10, 2025
Knowledge cutoff
May 31, 2024
Parameters
N/A
Context window
200K
Max output
100K
Inputs
image, text
Outputs
text
Open weights
No
License
Proprietary

Capability profile

This profile uses the latest version under this unique model that has a calculated LLMBoard score. Arena and price are excluded.

No capability profile

No published version under this unique model currently has enough benchmark coverage to calculate a score.

Benchmark results

Published benchmark records for the scored version currently unavailable.

No benchmark rows

No published benchmark result is linked to the scored version.

Arena results

Preference and agent-evaluation signals from published Arena datasets.

No published Arena match

The default version has no published Arena rows, or its source alias has not been resolved.

Pricing

Official vendor API PAYG pricing is summarized first. The table then lists individual provider offerings without treating their minimum as the official price.

Official API
$20 input, $80 output per 1M
Official provider
OpenAI
Lowest third-party
N/A
Tracked offerings
1
1 rows
Columns

Show columns

OpenAIo3-proglobal$20$80200KAug 7, 2026

Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.

o3 pro versions

All published versions linked to this unique model. The score columns identify the version used by the current overall ranking.

1 rows
Columns

Show columns

o3-proJun 10, 2025N/AN/A200K100KNoProprietary

What is o3 pro?

A concise description based on the published model registry.

Version of o3 with more compute for better responses. The o3-pro model uses more compute to think harder and provide consistently better answers. Designed to tackle tough problems with advanced reasoning capabilities.

Use the benchmark, Arena and pricing sections above as separate evidence. A missing field means the current data snapshot does not support that claim.

Data snapshot: 2026-08-07. Editorial model content is not available in the backend.

Models similar to o3 pro

Recommendations prioritize the same model type and family, then the closest published LLMBoard score.

#164
OP

GPT-4.1-nano

OpenAI

11.4 LLMBoard

DetailsCompare
#163
OP

GPT-3.5-Turbo

OpenAI

12.5 LLMBoard

DetailsCompare
#149
OP

GPT-4.1-mini

OpenAI

22.5 LLMBoard

DetailsCompare
#141
OP

GPT-4o

OpenAI

27.9 LLMBoard

DetailsCompare
#139
OP

GPT-4.1

OpenAI

28.4 LLMBoard

DetailsCompare
#138
OP

GPT-4

OpenAI

28.5 LLMBoard

DetailsCompare

FAQ

Common questions about o3 pro.

When was o3 pro released?

o3 pro's default version was released on Jun 10, 2025.

How much does o3 pro cost?

o3 pro's official API price is $20 per million input tokens and $80 per million output tokens via OpenAI.

Who created o3 pro?

o3 pro is published under OpenAI in the model registry.

What is the context window for o3 pro?

The default version has a 200K token context window.

Is o3 pro open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer o3 pro?

1 published provider offerings are linked to the default version.

What models should I compare o3 pro with?

No nearby ranked alternatives are currently available.

Rankings

OverallCodingText ArenaPricing

Modalities

Image GenerationVideo GenerationSpeech-to-TextEmbeddings

Benchmarks

All BenchmarksReasoningMathCoding

Vendors

All VendorsOpenAIAnthropicGoogle
llmboard.aiCopyright 2026 llmboard.ai