# Claude 2.1 vs Gemma 3 1B

> Claude 2.1 is the stronger model overall, scoring 25.2 to 21.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-gemma-3-1b
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Claude 2.1 scores higher in 2 categories and Gemma 3 1B in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude 2.1 leads 15.4 to 7.0.
- The biggest single-benchmark swing is GPQA Diamond: 33% for Claude 2.1 and 19.9% for Gemma 3 1B.
- Gemma 3 1B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 25.2 | 21.1 |
| Rank | 345 | 353 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2.1: 26.2 (#327)
- Gemma 3 1B: —

| Benchmark | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| WeirdML | 7.1% | — |

## Agentic & Tool Use

- Claude 2.1: —
- Gemma 3 1B: 13.7 (#152)

| Benchmark | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 7.2% |

## Reasoning

- Claude 2.1: 21.4 (#221)
- Gemma 3 1B: 19.2 (#264)

| Benchmark | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| Chess Puzzles | — | 0% |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.27 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 10.2 (#315)
- Gemma 3 1B: 10.2 (#316)

| Benchmark | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | 1.1% |

## Knowledge

- Claude 2.1: 15.4 (#292)
- Gemma 3 1B: 7.0 (#314)

| Benchmark | Claude 2.1 | Gemma 3 1B |
|---|---|---|
| GPQA Diamond | 33% | 19.9% |
| MMLU | 73.5% | — |

## FAQ

### Is Claude 2.1 better than Gemma 3 1B?

Claude 2.1 is the stronger model overall, scoring 25.2 to 21.1 on the Noometry Index.

### How many benchmarks do Claude 2.1 and Gemma 3 1B share?

2 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Gemma 3 1B has 4.