Model comparison
Claude Sonnet 4.6 vs Gemini 1.5 Flash 8B
Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 29.9 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 9 categories and Gemini 1.5 Flash 8B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 4.6 leads 52.9 to 14.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 85.8% for Claude Sonnet 4.6 and 4.6% for Gemini 1.5 Flash 8B.
Side by side
| Claude Sonnet 4.6 | Gemini 1.5 Flash 8B | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 50.3 | 29.9 |
| Released | 2026-02-17 | 2024-10-03 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $3 | — |
| Output $ / M tokens | $15 | — |
| Results tracked | 57 | 21 |
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Category by category
Coding Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 46.3 (#67), Gemini 1.5 Flash 8B: 35.5 (#225)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Coding | 1504 | 1218 |
| SWE-bench Verified | 75.2% | — |
| DeepSWE | 29.9% | — |
| FrontierCode | 24.3% | — |
| LMArena WebDev | 1522 | — |
| SciCode | 46.8% | — |
| WeirdML | 66.1% | — |
| ALE-Bench | 1,327 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4.6: 39.1 (#28), Gemini 1.5 Flash 8B: —
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| Terminal-Bench | 53.4% | — |
| APEX-Agents | 43% | — |
| OSWorld 2.0 | 9.3% | — |
| DeepResearch Bench | 54.9% | — |
| OSWorld | 72.1% | — |
| ExploitBench | 23.6% | — |
| GBAEval | 48.8% | — |
| GDP.pdf | 18% | — |
| LMArena Search | 1221 | — |
| Vending-Bench 2 | 7,204 | — |
Reasoning Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 46.1 (#45), Gemini 1.5 Flash 8B: 20.0 (#244)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Hard Prompts | 1484 | 1209 |
| DTBench | 89.9% | 50% |
| ARC-AGI-2 | 60.4% | — |
| NYT Connections (extended) | 80.9% | — |
| ARC-AGI-1 | 86.5% | — |
| CritPt | 3.1% | — |
| Chess Puzzles | 13% | — |
| Thematic Generalization | 76.3% | — |
| Mystery Game Puzzles | 16% | — |
| LMCA | 46.5% | — |
| Epoch Capabilities Index | 152.24 | — |
| ForecastBench | 62 | — |
Math Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 52.9 (#49), Gemini 1.5 Flash 8B: 14.2 (#302)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 85.8% | 4.6% |
| LMArena Math | 1462 | 1207 |
| ProofBench | 45% | — |
| FrontierMath (Feb 2025 set) | 32.4% | — |
| FrontierMath Tier 4 (v1) | 8.3% | — |
Knowledge Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 51.7 (#65), Gemini 1.5 Flash 8B: 16.0 (#289)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| GPQA Diamond | 87.4% | 33% |
| LMArena Expert | 1500 | 1185 |
| SimpleQA Verified | 35.5% | — |
| Vectara Hallucination Rate | 10.6% | — |
Multimodal Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 38.0 (#68), Gemini 1.5 Flash 8B: 28.2 (#115)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Vision | 1283 | 1044 |
| Blueprint-Bench 2 | 6.7% | — |
| LMArena Document | 1482 | — |
Multilingual Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 54.4 (#41), Gemini 1.5 Flash 8B: 38.5 (#229)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Non-English | 1440 | 1215 |
| LMArena Chinese | 1491 | 1231 |
| LMArena French | 1465 | 1234 |
| LMArena German | 1428 | 1206 |
| LMArena Japanese | 1420 | 1150 |
| LMArena Korean | 1411 | 1140 |
| LMArena Russian | 1440 | 1236 |
| LMArena Spanish | 1464 | 1212 |
Instruction Following Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 77.4 (#25), Gemini 1.5 Flash 8B: 62.8 (#236)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Instruction Following | 1475 | 1199 |
Long Context Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 45.3 (#44), Gemini 1.5 Flash 8B: 37.0 (#225)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Longer Query | 1479 | 1219 |
Writing & Preference Claude Sonnet 4.6 leads
Claude Sonnet 4.6: 70.2 (#22), Gemini 1.5 Flash 8B: 42.8 (#232)
| Benchmark | Claude Sonnet 4.6 | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Text | 1458 | 1226 |
| LMArena Creative Writing | 1435 | 1218 |
| LMArena Multi-Turn | 1464 | 1185 |
| EQ-Bench Creative Writing | 1810 | — |
| EQ-Bench 4 | 1207 | — |
Frequently asked questions
Is Claude Sonnet 4.6 better than Gemini 1.5 Flash 8B?
Claude Sonnet 4.6 is the stronger model overall, scoring 50.3 to 29.9 on the Noometry Index.
Is Claude Sonnet 4.6 or Gemini 1.5 Flash 8B better for coding?
Claude Sonnet 4.6 scores higher on coding benchmarks: 46.3 versus 35.5 in the Noometry coding category.
How many benchmarks do Claude Sonnet 4.6 and Gemini 1.5 Flash 8B share?
21 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Gemini 1.5 Flash 8B has 21.