Model comparison
Gemini 3.7 Flash vs GPT-5.5 Instant
Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.7 on the Noometry Index.
Last verified . 26 shared benchmarks.
Summary
- They share 26 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 8 categories and GPT-5.5 Instant in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 24.9.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 71.6% for Gemini 3.7 Flash and 26.3% for GPT-5.5 Instant.
Side by side
| Gemini 3.7 Flash | GPT-5.5 Instant | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 59.8 | 42.7 |
| Released | 2026-08-13 | 2026-05-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.75 | — |
| Output $ / M tokens | $3.75 | — |
| Results tracked | 44 | 27 |
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Category by category
Coding Gemini 3.7 Flash leads
Gemini 3.7 Flash: 56.2 (#22), GPT-5.5 Instant: 44.3 (#74)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| SciCode | 59.8% | 48.6% |
| LMArena Coding | 1497 | 1433 |
| DeepSWE | 65.5% | — |
| FrontierCode | 43.6% | — |
| LMArena WebDev | 1592 | — |
| FrontierSWE | 20.3% | — |
| ALE-Bench | 904.3 | — |
Agentic & Tool Use Not comparable
Gemini 3.7 Flash: 42.1 (#19), GPT-5.5 Instant: —
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| APEX-Agents | 67.8% | — |
| Remote Labor Index | 5% | — |
| GDP.pdf | 23.8% | — |
Reasoning Gemini 3.7 Flash leads
Gemini 3.7 Flash: 70.0 (#15), GPT-5.5 Instant: 24.9 (#155)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| CritPt | 14.3% | 0% |
| Chess Puzzles | 47% | 12% |
| LMArena Hard Prompts | 1494 | 1426 |
| Epoch Capabilities Index | 157.27 | 142.52 |
| ARC-AGI-2 | 84.6% | — |
| NYT Connections (extended) | 94% | — |
| ARC-AGI-1 | 95.5% | — |
| Mystery Game Puzzles | 37% | — |
| DTBench | 96.8% | — |
| LMCA | 50.4% | — |
Math Gemini 3.7 Flash leads
Gemini 3.7 Flash: 69.6 (#23), GPT-5.5 Instant: 26.5 (#259)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| FrontierMath (Tiers 1-3) | 71.6% | 26.3% |
| FrontierMath Tier 4 | 36.6% | 2.4% |
| OTIS Mock AIME 2024-2025 | 97.2% | 68.1% |
| LMArena Math | 1507 | 1420 |
| ProofBench | 58% | — |
Knowledge Gemini 3.7 Flash leads
Gemini 3.7 Flash: 69.7 (#5), GPT-5.5 Instant: 48.9 (#74)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| GPQA Diamond | 94.8% | 82.5% |
| LMArena Expert | 1508 | 1409 |
| SimpleQA Verified | 69.2% | — |
Multimodal GPT-5.5 Instant leads
Gemini 3.7 Flash: 37.3 (#73), GPT-5.5 Instant: 40.0 (#52)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | 1316 | 1250 |
| Furniture Assembly | 26.7% | — |
| LMArena Document | — | 1403 |
Multilingual Gemini 3.7 Flash leads
Gemini 3.7 Flash: 57.6 (#7), GPT-5.5 Instant: 52.8 (#80)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1484 | 1417 |
| LMArena Chinese | 1548 | 1456 |
| LMArena French | 1505 | 1428 |
| LMArena German | 1498 | 1411 |
| LMArena Japanese | 1512 | 1408 |
| LMArena Korean | 1483 | 1392 |
| LMArena Russian | 1516 | 1431 |
| LMArena Spanish | 1503 | 1429 |
Instruction Following Gemini 3.7 Flash leads
Gemini 3.7 Flash: 77.7 (#15), GPT-5.5 Instant: 74.2 (#100)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1483 | 1406 |
Long Context Gemini 3.7 Flash leads
Gemini 3.7 Flash: 45.7 (#30), GPT-5.5 Instant: 43.4 (#96)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1492 | 1422 |
Writing & Preference Gemini 3.7 Flash leads
Gemini 3.7 Flash: 71.2 (#20), GPT-5.5 Instant: 61.8 (#85)
| Benchmark | Gemini 3.7 Flash | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1486 | 1419 |
| LMArena Creative Writing | 1490 | 1419 |
| LMArena Multi-Turn | 1489 | 1433 |
| EQ-Bench Creative Writing | 1723 | — |
Frequently asked questions
Is Gemini 3.7 Flash better than GPT-5.5 Instant?
Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 42.7 on the Noometry Index.
Is Gemini 3.7 Flash or GPT-5.5 Instant better for coding?
Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 44.3 in the Noometry coding category.
How many benchmarks do Gemini 3.7 Flash and GPT-5.5 Instant share?
26 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and GPT-5.5 Instant has 27.