GPT-5.1 High vs o1-pro: Specs & Benchmark Comparison

CharacteristicGPT-5.1 Higho1-pro
CompanyOpenAIOpenAI
Release DateNovember 11, 2025December 17, 2024
Parameters
MultimodalYesYes
Context (input)256K
Context (output)128K
Input Price / 1M$2.00
Output Price / 1M$8.00
Average Score0.90.8
Benchmarks
GPQA0.90.8

Visual Benchmark Comparison

GPT-5.1 High
o1-pro
GPQA0.9 vs 0.8
0.9
0.8

Verdict

GPT-5.1 High leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.1 High — 0.9, o1-pro — 0.8.

Recency

GPT-5.1 High is newer: released 11/11/2025 vs 12/17/2024.

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Frequently Asked Questions

Which is better for coding — GPT-5.1 High or o1-pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.1 High or o1-pro?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-5.1 High or o1-pro?
Context window data is available on the individual model pages.

The GPT-5.1 High and o1-pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.1 High or o1-pro page. See also the complete list of AI model comparisons.