GPT-5.1vsGemini 2.5-Pro
Across 15 shared benchmarks, GPT-5.1 leads overall: GPT-5.1 wins 13, Gemini 2.5-Pro wins 2, with 0 ties and an average score difference of +12.83.
GPT-5.1
OpenAI · 2025-11-12 · Reasoning model
Gemini 2.5-Pro
Google Deep Mind · 2025-06-05 · Reasoning model
GPT-5.113 wins(87%)(13%)2 winsGemini 2.5-Pro
Benchmark scores
Grouped by capability, sorted by largest gap within each. 15 shared benchmarks.
General Knowledge
GPT-5.1 4/5| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| ARC-AGI | 72.8028 / 68 | 3750 / 68 | +35.80 |
| LiveBench | 42.65106 / 115Normal (No Tools) | 58.3376 / 115Thinking High (No Tools) | -15.68 |
| ARC-AGI-2 | 17.6036 / 62 | 4.9047 / 62 | +12.70 |
| HLE | 26.5097 / 172 | 21.60112 / 172 | +4.90 |
| GPQA Diamond | 88.1031 / 187 | 86.4045 / 187 | +1.70 |
Math and Reasoning
GPT-5.1 3/3| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| FrontierMath | 26.7013 / 60Thinking High (With Tools) | 1123 / 60 | +15.70 |
| FrontierMath - Tier 4 | 12.5029 / 80Thinking High (With Tools) | 2.1056 / 80Normal (No Tools) | +10.40 |
| AIME2025 | 9428 / 107 | 8844 / 107 | +6 |
Agent Level Benchmark
GPT-5.1 2/2| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| τ²-Bench - Telecom | 95.6014 / 35Thinking High (With Tools) | 5432 / 35 | +41.60 |
| Terminal Bench Hard | 432 / 13Thinking High (With Tools) | 2512 / 13 | +18 |
AI Agent - Information Search
GPT-5.1 1/1| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| BrowseComp | 50.8043 / 53Thinking High (No Tools) | 7.8052 / 53 | +43 |
AI Agent - Tool Usage
GPT-5.1 1/1| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| Terminal Bench 2.0 | 47.6038 / 47Thinking High (With Tools) | 32.6047 / 47 | +15 |
Coding and Software Engineer
GPT-5.1 1/1| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| SWE-bench Verified | 76.3034 / 112 | 67.2072 / 112 | +9.10 |
Commonsense Reasoning
Gemini 2.5-Pro 1/1| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| Simple Bench | 53.2023 / 63Thinking High (No Tools) | 62.4011 / 63Thinking (No Tools) | -9.20 |
Multimodal Understanding
GPT-5.1 1/1| Benchmark | GPT-5.1 | Gemini 2.5-Pro | Diff |
|---|---|---|---|
| MMMU | 85.402 / 29 | 8210 / 29 | +3.40 |
Specs
| Field | GPT-5.1 | Gemini 2.5-Pro |
|---|---|---|
| Publisher | OpenAI | Google Deep Mind |
| Release date | 2025-11-12 | 2025-06-05 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 400K | 1000K |
| Max output | 128K | 64K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | GPT-5.1 | Gemini 2.5-Pro |
|---|---|---|
| Text input | $1.25 / 1M tokens | $1.25 / 1M tokens |
| Text output | $10 / 1M tokens | $10 / 1M tokens |
| Cache read | $0.125 / 1M tokens | Not public |
| Cache write | $0 / 1M tokens | Not public |
Summary
- GPT-5.1leads in:General Knowledge (4/5), Math and Reasoning (3/3), Agent Level Benchmark (2/2), AI Agent - Information Search (1/1), AI Agent - Tool Usage (1/1), Coding and Software Engineer (1/1), Multimodal Understanding (1/1)
- Gemini 2.5-Proleads in:Commonsense Reasoning (1/1)
On average across the 15 shared benchmarks, GPT-5.1 scores 12.83 higher.
Largest single-benchmark gap: BrowseComp — GPT-5.1 50.80 vs Gemini 2.5-Pro 7.80 (+43).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.