Model comparison
Gemma 2 2b IT vs GPT-5.5 Instant
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 33.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemma 2 2b IT scores higher in 1 category and GPT-5.5 Instant in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 61.8 to 36.5.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 2b IT | GPT-5.5 Instant | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 33.1 | 42.7 |
| Released | — | 2026-05-05 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 17 | 27 |
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Category by category
Coding GPT-5.5 Instant leads
Gemma 2 2b IT: 32.3 (#273), GPT-5.5 Instant: 44.3 (#74)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1112 | 1433 |
| SciCode | — | 48.6% |
Reasoning GPT-5.5 Instant leads
Gemma 2 2b IT: 21.4 (#224), GPT-5.5 Instant: 24.9 (#155)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1426 |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| Epoch Capabilities Index | — | 142.52 |
Math Gemma 2 2b IT leads
Gemma 2 2b IT: 32.6 (#212), GPT-5.5 Instant: 26.5 (#259)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1135 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |
Knowledge GPT-5.5 Instant leads
Gemma 2 2b IT: 29.9 (#231), GPT-5.5 Instant: 48.9 (#74)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Expert | 1096 | 1409 |
| GPQA Diamond | — | 82.5% |
Multimodal Not comparable
Gemma 2 2b IT: —, GPT-5.5 Instant: 40.0 (#52)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |
Multilingual GPT-5.5 Instant leads
Gemma 2 2b IT: 32.3 (#257), GPT-5.5 Instant: 52.8 (#80)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1121 | 1417 |
| LMArena Chinese | 1132 | 1456 |
| LMArena French | 1157 | 1428 |
| LMArena German | 1114 | 1411 |
| LMArena Japanese | 1083 | 1408 |
| LMArena Korean | 1055 | 1392 |
| LMArena Russian | 1118 | 1431 |
| LMArena Spanish | 1140 | 1429 |
Instruction Following GPT-5.5 Instant leads
Gemma 2 2b IT: 57.8 (#263), GPT-5.5 Instant: 74.2 (#100)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1118 | 1406 |
Long Context GPT-5.5 Instant leads
Gemma 2 2b IT: 34.3 (#250), GPT-5.5 Instant: 43.4 (#96)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1130 | 1422 |
Writing & Preference GPT-5.5 Instant leads
Gemma 2 2b IT: 36.5 (#263), GPT-5.5 Instant: 61.8 (#85)
| Benchmark | Gemma 2 2b IT | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1156 | 1419 |
| LMArena Creative Writing | 1147 | 1419 |
| LMArena Multi-Turn | 1118 | 1433 |
Frequently asked questions
Is Gemma 2 2b IT better than GPT-5.5 Instant?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 33.1 on the Noometry Index.
Is Gemma 2 2b IT or GPT-5.5 Instant better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 32.3 in the Noometry coding category.
How many benchmarks do Gemma 2 2b IT and GPT-5.5 Instant share?
17 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and GPT-5.5 Instant has 27.