Model comparison
Claude Sonnet 5.5 vs Gemini 2.0 Pro
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 38.6 on the Noometry Index.
Last verified . 1 shared benchmarks.
GoogleSummary
- They share 1 benchmark with published results for both. Claude Sonnet 5.5 scores higher in 4 categories and Gemini 2.0 Pro in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 88.7 to 37.1.
- The biggest single-benchmark swing is GPQA Diamond: 95.6% for Claude Sonnet 5.5 and 65.7% for Gemini 2.0 Pro.
Side by side
| Claude Sonnet 5.5 | Gemini 2.0 Pro | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 60.5 | 38.6 |
| Released | 2026-09-28 | 2025-02-05 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 16 | 14 |
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Category by category
Coding Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 65.5 (#6), Gemini 2.0 Pro: 37.4 (#182)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| FrontierCode | 52.1% | — |
| Aider Polyglot | — | 35.6% |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1699 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| LiveBench Coding | — | 63.5% |
| ALE-Bench | 1,819 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 44.9 (#14), Gemini 2.0 Pro: —
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 52.4 (#29), Gemini 2.0 Pro: 21.6 (#194)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| CritPt | 31.4% | — |
| EnigmaEval | — | 0.7% |
| LiveBench Reasoning | — | 60.1% |
| Mystery Game Puzzles | 65% | — |
| LiveBench Data Analysis | — | 68% |
| Epoch Capabilities Index | — | 135.06 |
| LiveBench | — | 65.1% |
Math Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 88.7 (#4), Gemini 2.0 Pro: 37.1 (#101)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| LiveBench Math | — | 71% |
| MATH Level 5 | — | 83.5% |
Knowledge Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 66.0 (#11), Gemini 2.0 Pro: 36.5 (#156)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| GPQA Diamond | 95.6% | 65.7% |
| SimpleQA Verified | 46.5% | — |
| Confabulations | — | 18.4% |
Multimodal Not comparable
Claude Sonnet 5.5: 53.2 (#5), Gemini 2.0 Pro: —
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| Furniture Assembly | 75% | — |
Instruction Following Not comparable
Claude Sonnet 5.5: —, Gemini 2.0 Pro: 75.6 (#57)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| LiveBench Instruction Following | — | 83.4% |
Long Context Not comparable
Claude Sonnet 5.5: —, Gemini 2.0 Pro: 29.1 (#287)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| Fiction.LiveBench | — | 41.7% |
Writing & Preference Not comparable
Claude Sonnet 5.5: —, Gemini 2.0 Pro: 52.7 (#164)
| Benchmark | Claude Sonnet 5.5 | Gemini 2.0 Pro |
|---|---|---|
| LiveBench Language | — | 44.9% |
Frequently asked questions
Is Claude Sonnet 5.5 better than Gemini 2.0 Pro?
Claude Sonnet 5.5 is the stronger model overall, scoring 60.5 to 38.6 on the Noometry Index.
Is Claude Sonnet 5.5 or Gemini 2.0 Pro better for coding?
Claude Sonnet 5.5 scores higher on coding benchmarks: 65.5 versus 37.4 in the Noometry coding category.
How many benchmarks do Claude Sonnet 5.5 and Gemini 2.0 Pro share?
1 benchmark has published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and Gemini 2.0 Pro has 14.