Gemini 3.6 Flash vs GPT-6 Sol
Gemini 3.6 Flash 
GPT-6 Sol Verdict
- GPT-6 Sol (max) leads on quality: 67.7 vs 61.4.
- Gemini 3.6 Flash (high) is stronger in agents & tools, coding, human preference, maths.
- GPT-6 Sol (max) is stronger in composite, knowledge, long context, multimodal, reasoning.
- Gemini 3.6 Flash (high) is 2.7× cheaper ($1.50 vs $4.00 per 1M blended).
- Gemini 3.6 Flash (high) streams 1.5× faster (189 vs 126 tokens per second).
| Metric | Gemini 3.6 Flash (high) | GPT-6 Sol (max) |
|---|---|---|
| BenchLeader Index | 61.4 | 67.7 |
| Agents & tools score | 53.6 | – |
| Coding score | 58.5 | – |
| Composite score | 58.5 | 86.2 |
| Human preference score | 68.2 | – |
| Knowledge score | 66.3 | 75.4 |
| Long context score | 65.8 | 67.7 |
| Maths score | 61.3 | – |
| Multimodal score | 66.3 | 67.1 |
| Reasoning score | 64.0 | 95.0 |
| Blended price $/M | $1.50 | $4.00 |
| Output speed | 189 tok/s | 126 tok/s |
| Time to first answer | 17.4 s | 107.2 s |
| Context window | 1.0M | 1.1M |
| GPQA Diamond | 94.1% | – |
| FrontierMath Tiers 1–3 | 59.0% | – |
| FrontierMath Tier 4 | 21.9% | – |
| OTIS Mock AIME | 94.2% | – |
| SimpleQA Verified | 66.2% | – |
| SciCode | 52.7% | – |
| WeirdML | 56.1% | – |
| LMArena Text | 1480 | – |
| LMArena Hard Prompts | 1500 | – |
| LMArena Coding | 1517 | – |
| LMArena WebDev | 1537 | – |
| LMArena Vision | 1300 | – |
| LMArena Agent | -5.9 | – |
| LiveBench | 73.6% | – |
| LiveBench Reasoning | 85.2% | – |
| LiveBench Coding | 77.9% | – |
| LiveBench Agentic Coding | 43.4% | – |
| LiveBench Mathematics | 86.4% | – |
| LiveBench Data Analysis | 63.0% | – |
| LiveBench Language | 83.9% | – |
| LiveBench Instruction Following | 75.4% | – |
| AA Intelligence Index | 34.0 | 47.5 |
| AA-LCR | 80.0% | 83.7% |
| MMMU-Pro | 83.2% | 83.3% |
| AA-Omniscience | 22.1 | 27.1 |
| GPQA Diamond (AA) | 92.8% | – |
| Humanity's Last Exam (AA) | 40.8% | 47.9% |
| SciCode (AA) | 53.4% | 57.6% |
| LiveCodeBench | 88.1% | – |
| MMLU-Pro | 89.3% | – |
| IOI | 35.1% | – |
| LegalBench | 86.7% | – |
| CorpFin | 63.3% | – |
| TaxEval | 74.9% | – |
| Terminal-Bench 2.1 (Vals) | 73.8% | – |
| SWE-bench (Vals) | 79.6% | – |
| GPQA Diamond (Vals) | 93.4% | – |
| Vals Index | 55.4 | – |
| ARC-AGI-1 | 91.2% | – |
| ARC-AGI-2 | 60.4% | – |
| CritPt | 10.6% | 30.9% |
| GDPval (AA) | 38.2% | 49.4% |
| τ²-Bench Banking (AA) | 29.9% | – |
| BioMysteryBench | 58.5% | – |
| Code Migration | 30.9% | – |
| Excel Modeling Benchmark | 65.4% | – |
| Finance Agent v2 | 56.3% | – |
| Harvey's Legal Agent Benchmark | 3.3% | – |
| Legal Research Bench | 25.0% | – |
| MedCode | 53.1% | – |
| MedScribe | 79.7% | – |
| MMMU-Pro (Vals) | 88.4% | – |
| MortgageTax | 67.6% | – |
| ProgramBench | 0.0% | – |
| Public Benefits Bench | 56.6% | – |
| SAGE | 48.7% | – |
| Terminal-Bench 4.0 (Vals) | 4.5% | – |
| Terminal-Bench Science | 1.4% | – |
| Vals Multimodal Index | 65.1% | – |
| Vibe Code Bench v1.1 | 64.0% | – |
| LMArena Maths | 1504 | – |
| LMArena Creative Writing | 1470 | – |
| LMArena Instruction Following | 1473 | – |
| LMArena Multi-turn | 1485 | – |
| LMArena Longer Queries | 1487 | – |
| LMArena Document | 1453 | – |
| Chess Puzzles | 40.0% | – |
| Mystery Game Puzzles | 30.0% | – |
| DeepSWE | 46.7% | – |
| LMCA | 44.9% | – |
| DTBench | 95.5% | – |
| ALE-Bench | 715.5 | – |
| GDP.pdf | 14.0% | – |
| Terminal-Bench 4.0 (AA) | 7.1% | 43.9% |
| Terminal-Bench 2.1 (AA) | 77.5% | – |
| AutomationBench | – | 61.6% |
| GDP.pdf | – | 24.8% |
| MLCR | – | 16.1% |
| AA-Omniscience: accuracy | 50.0% | 54.5% |
| AA-Omniscience: non-hallucination | 44.4% | 39.9% |
| AA-Briefcase | – | 1483 |
Data as of 2026-09-23. Best configuration of each model; every score links to its source on the model pages.
Gemini 3.6 Flash vs GPT-6 Sol: questions
- Is Gemini 3.6 Flash better than GPT-6 Sol?
- GPT-6 Sol (max) leads on quality: 67.7 vs 61.4. The BenchLeader Index combines every independent quality benchmark; GPT-6 Sol (max) is ahead overall as of 2026-09-23, but check the category scores for your use.
- Which is cheaper, Gemini 3.6 Flash or GPT-6 Sol?
- Gemini 3.6 Flash is cheaper: $1.50 against $4.00 per million tokens, blended at three input tokens per output token.
- Which is faster, Gemini 3.6 Flash or GPT-6 Sol?
- Gemini 3.6 Flash streams faster: 189 against 126 output tokens per second.
- Which has the larger context window?
- GPT-6 Sol accepts more context: 1.1M against 1.0M tokens.