Model comparison
GPT-4.1 nano vs Granite 3.0 2b Instruct
Granite 3.0 2b Instruct is the stronger model overall, scoring 30.8 to 27.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. GPT-4.1 nano scores higher in 3 categories and Granite 3.0 2b Instruct in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where GPT-4.1 nano leads 41.6 to 27.0.
- Granite 3.0 2b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-4.1 nano | Granite 3.0 2b Instruct | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 27.9 | 30.8 |
| Released | 2025-04-14 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 33K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 38 | 13 |
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Category by category
Coding Granite 3.0 2b Instruct leads
GPT-4.1 nano: 24.1 (#330), Granite 3.0 2b Instruct: 28.3 (#316)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Coding | 1306 | 1090 |
| Aider Polyglot | 8.9% | — |
| SciCode | 25.9% | — |
| WeirdML | 19% | — |
| BigCodeBench Instruct | — | 20.5% |
Agentic & Tool Use Not comparable
GPT-4.1 nano: 26.5 (#104), Granite 3.0 2b Instruct: —
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | 33% | — |
Reasoning Granite 3.0 2b Instruct leads
GPT-4.1 nano: 8.5 (#349), Granite 3.0 2b Instruct: 20.5 (#235)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1286 | 1073 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 33.3% | — |
| ARC-AGI-1 | 0% | — |
| CritPt | 0% | — |
| DTBench | 52.5% | — |
| LMCA | 5.5% | — |
| Epoch Capabilities Index | 129.62 | — |
Math Granite 3.0 2b Instruct leads
GPT-4.1 nano: 26.9 (#252), Granite 3.0 2b Instruct: 32.2 (#217)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Math | 1274 | 1117 |
| OTIS Mock AIME 2024-2025 | 28.9% | — |
| Omni-MATH | 36.7% | — |
| MATH Level 5 | 70% | — |
| FrontierMath (Feb 2025 set) | 1% | — |
Knowledge Granite 3.0 2b Instruct leads
GPT-4.1 nano: 21.8 (#273), Granite 3.0 2b Instruct: 29.0 (#241)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Expert | 1272 | 1064 |
| GPQA Diamond | 48.9% | — |
| SimpleQA Verified | 6% | — |
| MMLU-Pro | 55% | — |
| GPQA (HELM) | 50.7% | — |
Multimodal Not comparable
GPT-4.1 nano: 29.2 (#113), Granite 3.0 2b Instruct: —
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Vision | 1063 | — |
Multilingual GPT-4.1 nano leads
GPT-4.1 nano: 41.6 (#205), Granite 3.0 2b Instruct: 27.0 (#278)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Non-English | 1260 | 1033 |
| LMArena Chinese | 1270 | 1070 |
| LMArena Russian | 1261 | 1045 |
| LMArena German | 1288 | — |
| LMArena Japanese | 1198 | — |
Instruction Following GPT-4.1 nano leads
GPT-4.1 nano: 67.8 (#193), Granite 3.0 2b Instruct: 53.9 (#284)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Instruction Following | 1267 | 1056 |
| IFEval | 84.3% | — |
Long Context Granite 3.0 2b Instruct leads
GPT-4.1 nano: 23.7 (#296), Granite 3.0 2b Instruct: 32.5 (#268)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Longer Query | 1283 | 1070 |
| Fiction.LiveBench | 25% | — |
Writing & Preference GPT-4.1 nano leads
GPT-4.1 nano: 40.5 (#243), Granite 3.0 2b Instruct: 29.6 (#292)
| Benchmark | GPT-4.1 nano | Granite 3.0 2b Instruct |
|---|---|---|
| LMArena Text | 1285 | 1080 |
| LMArena Creative Writing | 1260 | 1046 |
| LMArena Multi-Turn | 1277 | 1053 |
| EQ-Bench Creative Writing | 946 | — |
| WildBench | 81.2% | — |
Frequently asked questions
Is GPT-4.1 nano better than Granite 3.0 2b Instruct?
Granite 3.0 2b Instruct is the stronger model overall, scoring 30.8 to 27.9 on the Noometry Index.
Is GPT-4.1 nano or Granite 3.0 2b Instruct better for coding?
Granite 3.0 2b Instruct scores higher on coding benchmarks: 28.3 versus 24.1 in the Noometry coding category.
How many benchmarks do GPT-4.1 nano and Granite 3.0 2b Instruct share?
12 benchmarks have published results for both models. GPT-4.1 nano has 38 scored results on Noometry and Granite 3.0 2b Instruct has 13.