Model comparison
Claude Haiku 4.5 vs Gemma 2B
Claude Haiku 4.5 is the stronger model overall, scoring 39.5 to 29.6 on the Noometry Index.
Last verified . 12 shared benchmarks.
GoogleSummary
- They share 12 benchmarks with published results for both. Claude Haiku 4.5 scores higher in 6 categories and Gemma 2B in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Claude Haiku 4.5 leads 57.9 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 4.5 | Gemma 2B | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 39.5 | 29.6 |
| Released | 2025-10-15 | 2024-02-21 |
| Weights | Proprietary | Open |
| Context window | 200K | — |
| Max output | 64K | — |
| Input $ / M tokens | $1 | — |
| Output $ / M tokens | $5 | — |
| Results tracked | 53 | 23 |
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Category by category
Coding Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.0 (#78), Gemma 2B: 29.4 (#305)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Coding | 1453 | 1010 |
| SWE-bench Verified (bash only) | 66.6% | — |
| LMArena WebDev | 1330 | — |
| SWE-bench Multilingual | 64.7% | — |
| SciCode | 43.3% | — |
| WeirdML | 45.4% | — |
| ALE-Bench | 653.48 | — |
| HumanEval+ | — | 20.7% |
| MBPP+ | — | 34.1% |
Agentic & Tool Use Not comparable
Claude Haiku 4.5: 33.6 (#52), Gemma 2B: —
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| Terminal-Bench | 35.5% | — |
| Berkeley Function Calling Leaderboard | 68.7% | — |
| DeepResearch Bench | 45.5% | — |
| BALROG | 31.2% | — |
| ExploitBench | 13.7% | — |
| Vending-Bench 2 | 458.89 | — |
Reasoning Gemma 2B leads
Claude Haiku 4.5: 15.1 (#320), Gemma 2B: 18.8 (#275)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Hard Prompts | 1420 | 989 |
| Epoch Capabilities Index | 142.41 | 94.2 |
| ARC-AGI-2 | 4% | — |
| NYT Connections (extended) | 14.3% | — |
| ARC-AGI-1 | 47.7% | — |
| CritPt | 0% | — |
| Chess Puzzles | 8% | — |
| DTBench | 73.6% | — |
| LMCA | 30.9% | — |
| BIG-Bench Hard | — | 35.2% |
| ForecastBench | 61.4 | — |
| HellaSwag | — | 71.4% |
| PIQA | — | 77.3% |
| WinoGrande | — | 65.4% |
Math Claude Haiku 4.5 leads
Claude Haiku 4.5: 44.9 (#78), Gemma 2B: 30.0 (#239)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Math | 1396 | 1009 |
| OTIS Mock AIME 2024-2025 | 66.7% | — |
| Omni-MATH | 56.1% | — |
| MATH Level 5 | 96.4% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
| GSM8K | — | 17.7% |
Knowledge Not comparable
Claude Haiku 4.5: 37.7 (#153), Gemma 2B: —
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| GPQA Diamond | 71.2% | — |
| SimpleQA Verified | 13.2% | — |
| MMLU-Pro | 77.7% | — |
| Vectara Hallucination Rate | 9.8% | — |
| GPQA (HELM) | 60.5% | — |
| LMArena Expert | 1442 | — |
| ARC (AI2) Challenge | — | 42.1% |
| BoolQ | — | 69.4% |
| MMLU | — | 42.3% |
| TriviaQA | — | 53.2% |
Multimodal Not comparable
Claude Haiku 4.5: 26.8 (#118), Gemma 2B: —
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| Blueprint-Bench 2 | 0% | — |
| LMArena Document | 1420 | — |
Multilingual Claude Haiku 4.5 leads
Claude Haiku 4.5: 49.9 (#129), Gemma 2B: 23.0 (#294)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Non-English | 1377 | 958 |
| LMArena Chinese | 1417 | 986 |
| LMArena Russian | 1381 | 937 |
| LMArena French | 1408 | — |
| LMArena German | 1375 | — |
| LMArena Japanese | 1339 | — |
| LMArena Korean | 1347 | — |
| LMArena Spanish | 1420 | — |
Instruction Following Claude Haiku 4.5 leads
Claude Haiku 4.5: 71.4 (#149), Gemma 2B: 48.5 (#302)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Instruction Following | 1414 | 970 |
| IFEval | 80.1% | — |
Long Context Claude Haiku 4.5 leads
Claude Haiku 4.5: 43.6 (#92), Gemma 2B: 29.9 (#291)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Longer Query | 1427 | 981 |
Writing & Preference Claude Haiku 4.5 leads
Claude Haiku 4.5: 57.9 (#123), Gemma 2B: 24.0 (#308)
| Benchmark | Claude Haiku 4.5 | Gemma 2B |
|---|---|---|
| LMArena Text | 1396 | 1002 |
| LMArena Creative Writing | 1372 | 987 |
| LMArena Multi-Turn | 1409 | 945 |
| WildBench | 83.9% | — |
| EQ-Bench 4 | 1064 | — |
Frequently asked questions
Is Claude Haiku 4.5 better than Gemma 2B?
Claude Haiku 4.5 is the stronger model overall, scoring 39.5 to 29.6 on the Noometry Index.
Is Claude Haiku 4.5 or Gemma 2B better for coding?
Claude Haiku 4.5 scores higher on coding benchmarks: 44.0 versus 29.4 in the Noometry coding category.
How many benchmarks do Claude Haiku 4.5 and Gemma 2B share?
12 benchmarks have published results for both models. Claude Haiku 4.5 has 53 scored results on Noometry and Gemma 2B has 23.