# Claude 2.1 vs Gemini 3 Pro

> Gemini 3 Pro is the stronger model overall, scoring 54.8 to 25.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-gemini-3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 5

## Summary

- They share 5 benchmarks with published results for both. Claude 2.1 scores higher in 0 categories and Gemini 3 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3 Pro leads 64.4 to 15.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.9% for Claude 2.1 and 91.4% for Gemini 3 Pro.

## Snapshot

| | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 25.2 | 54.8 |
| Rank | 345 | 28 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 26.2 (#327)
- Gemini 3 Pro: 51.6 (#39)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| WeirdML | 7.1% | 69.9% |
| SWE-bench Verified | — | 72.9% |
| SWE-bench Verified (bash only) | — | 74.2% |
| LMArena WebDev | — | 1440 |
| SWE-bench Multilingual | — | 68.7% |
| GSO | — | 18.6% |
| LMArena Coding | — | 1481 |
| ALE-Bench | — | 1,177 |
| AlgoTune | — | 1.83 |

## Agentic & Tool Use

- Claude 2.1: —
- Gemini 3 Pro: 40.6 (#23)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| Terminal-Bench | — | 69.4% |
| Berkeley Function Calling Leaderboard | — | 72.5% |
| GDPval | — | 40.3% |
| Remote Labor Index | — | 1.3% |
| τ²-bench Airline | — | 80.5% |
| τ²-bench Banking | — | 18% |
| τ²-bench Retail | — | 75.9% |
| τ²-bench Telecom | — | 91% |
| DeepResearch Bench | — | 46.3% |
| BALROG | — | 58.1% |
| LMArena Search | — | 1207 |
| METR Time Horizons | — | 71% |
| Vending-Bench 2 | — | 5,478 |

## Reasoning

- Claude 2.1: 21.4 (#221)
- Gemini 3 Pro: 52.5 (#31)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| Epoch Capabilities Index | 119.27 | 152.92 |
| ForecastBench | 54.2 | 61.2 |
| ARC-AGI-2 | — | 31.1% |
| SimpleBench | — | 76.4% |
| Kagi LLM Benchmark | — | 80.1% |
| NYT Connections (extended) | — | 94.4% |
| ARC-AGI-1 | — | 75% |
| CritPt | — | 6.9% |
| Chess Puzzles | — | 31% |
| EnigmaEval | — | 18.2% |
| LMArena Hard Prompts | — | 1480 |
| DTBench | 51% | — |

## Math

- Claude 2.1: 10.2 (#315)
- Gemini 3 Pro: 49.9 (#59)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 91.4% |
| MathArena Final-Answer Competitions | — | 67% |
| ProofBench | — | 20% |
| Omni-MATH | — | 55.5% |
| LMArena Math | — | 1476 |
| FrontierMath (Feb 2025 set) | — | 37.6% |
| FrontierMath Tier 4 (v1) | — | 18.8% |

## Knowledge

- Claude 2.1: 15.4 (#292)
- Gemini 3 Pro: 64.4 (#16)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| GPQA Diamond | 33% | 92.6% |
| Humanity's Last Exam | — | 37.5% |
| MMLU-Pro | — | 90.3% |
| Vectara Hallucination Rate | — | 13.6% |
| GPQA (HELM) | — | 80.3% |
| LMArena Expert | — | 1475 |
| MMLU | 73.5% | — |

## Multimodal

- Claude 2.1: —
- Gemini 3 Pro: 57.6 (#2)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| LMArena Vision | — | 1305 |
| GeoBench | — | 84% |
| VPCT | — | 91% |
| LMArena Document | — | 1434 |

## Multilingual

- Claude 2.1: —
- Gemini 3 Pro: 56.9 (#16)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| LMArena Non-English | — | 1474 |
| LMArena Chinese | — | 1523 |
| LMArena French | — | 1492 |
| LMArena German | — | 1515 |
| LMArena Japanese | — | 1510 |
| LMArena Korean | — | 1448 |
| LMArena Russian | — | 1493 |
| LMArena Spanish | — | 1470 |

## Instruction Following

- Claude 2.1: —
- Gemini 3 Pro: 76.3 (#45)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| IFEval | — | 87.7% |
| LMArena Instruction Following | — | 1458 |

## Long Context

- Claude 2.1: —
- Gemini 3 Pro: 44.0 (#79)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| CL-bench | — | 15.8% |
| LMArena Longer Query | — | 1471 |

## Writing & Preference

- Claude 2.1: —
- Gemini 3 Pro: 66.4 (#35)

| Benchmark | Claude 2.1 | Gemini 3 Pro |
|---|---|---|
| LMArena Text | — | 1479 |
| LMArena Creative Writing | — | 1482 |
| EQ-Bench Creative Writing | — | 1525 |
| WildBench | — | 85.9% |
| LMArena Multi-Turn | — | 1484 |

## FAQ

### Is Claude 2.1 better than Gemini 3 Pro?

Gemini 3 Pro is the stronger model overall, scoring 54.8 to 25.2 on the Noometry Index.

### Is Claude 2.1 or Gemini 3 Pro better for coding?

Gemini 3 Pro scores higher on coding benchmarks: 51.6 versus 26.2 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Gemini 3 Pro share?

5 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Gemini 3 Pro has 67.