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  1. Models
  2. Text
  3. OpenAI

OpenAI o3-pro (2025-06-10)

The pro version of the already fantastic o3.

  • Reasoning
  • Vision by description
  • Tool Calling
  • Structured Output

Pricing

Auto routing · per 1M tokens
Input
$22.00
Output
$88.00
Cache read
$11.00
Compare provider prices

Specifications

Context window
200K
Max output
100K

Benchmarks

Sourced from Vectara.

Hallucination Rate

23.3%

Hallucination Rate: 23.3
Better than 2% of models compared

Factual Consistency

76.7%

Factual Consistency: 76.7
Better than 2% of models compared

Answer Rate

100.0%

Answer Rate: 100.0
Better than 91% of models compared

Avg Summary Length

Average generated summary length

127.4

Last updated 2026-10-22 · Matched as openai/o3-pro

Vectara Leaderboard

Leaderboard results

BenchmarkScoreRank on NanoGPT
Epoch AI Benchmarking Hub

Epoch AI data, CC BY 4.0 · Updated Nov 13, 2026

Epoch Capabilities Index

147.5

#73 of 115

Filtered and ranked to models on NanoGPT.

Providers

Auto routing is available for this model. Explicit provider selection is not available.

Auto
Auto
Recommended
$22.00$88.00$11.00N/AN/A
Batch API
ProviderInputOutputCached input
OpenAI
OpenAIo3-pro-2025-06-10
$11.00/M$44.00/MN/A

Reliability

Related text models

Compare OpenAI o3-pro (2025-06-10) with similar models from the same provider or model family.

GPT 6.1 Terra Pro

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GPT-6.1 Terra Pro uses the same underlying model as GPT-6.1 Terra with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6.1 Sol Pro

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GPT-6.1 Sol Pro uses the same underlying model as GPT-6.1 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6 Luna Pro

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GPT-6 Luna Pro uses the same underlying model as GPT-6 Luna with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6 Sol Pro

openai/gpt-6-sol-pro

GPT-6 Sol Pro uses the same underlying model as GPT-6 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6 Astra Pro

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GPT 6 Astra in Pro reasoning mode. Uses additional model work for difficult tasks, with higher latency and token usage at the same per-token rates. Reasoning effort remains independently configurable.

GPT 5.6 Luna Pro

openai/gpt-5.6-luna-pro

GPT-5.6 Luna with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.