Claude 3 Sonnet vs o1-pro
o1-pro leads the LLM Stats Score 19.7 to 1.7.
Anthropic · OpenAI · Updated for 2026
Which is better?
o1-pro leads the overall LLM Stats Score 19.7 to 1.7, ranking #199 overall.
In the 1 individual benchmarks reported for both models, o1-pro wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude 3 Sonnet
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose o1-pro
- overall performance matters — it scores 19.7 and ranks #199 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Dec 2024
At a glance
The differences that matter most.
Individual benchmarks
11 reported for Claude 3 Sonnet · 2 for o1-pro
Claude 3 Sonnet outperforms in 0 benchmarks, while o1-pro is better at 1 benchmark (GPQA).
o1-pro significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Claude 3 Sonnet specifies input context (200,000 tokens). Only Claude 3 Sonnet specifies output context (200,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Claude 3 Sonnet and o1-pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3 Sonnet
o1-pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3 Sonnet was released on 2024-02-29, while o1-pro was released on 2024-12-17.
o1-pro is 10 months newer than Claude 3 Sonnet.
Feb 29, 2024
2.6 years ago
Dec 17, 2024
1.8 years ago
9mo newerKnowledge Cutoff
When training data ends
o1-pro has a documented knowledge cutoff of 2023-09-30, while Claude 3 Sonnet's cutoff date is not specified.
We can confirm o1-pro's training data extends to 2023-09-30, but cannot make a direct comparison without Claude 3 Sonnet's cutoff date.
—
Sep 2023
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3 Sonnet and o1-pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3 Sonnet vs o1-pro.