Model comparison
Gemma 2 2b IT vs GPT-5.3 Chat
GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 32.5 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 0 categories and GPT-5.3 Chat in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.3 Chat leads 63.3 to 36.6.
- Gemma 2 2b IT has downloadable open weights; the other is API-only.
Side by side
| Gemma 2 2b IT | GPT-5.3 Chat | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 32.5 | 42.1 |
| Released | — | 2026-03-03 |
| Weights | Open | Proprietary |
| Context window | — | 128K |
| Max output | — | 16K |
| Input $ / M tokens | — | $1.75 |
| Output $ / M tokens | — | $14 |
| Results tracked | 17 | 18 |
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Category by category
Coding GPT-5.3 Chat leads
Gemma 2 2b IT: 31.8 (#268), GPT-5.3 Chat: 40.8 (#124)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Coding | 1112 | 1408 |
Reasoning GPT-5.3 Chat leads
Gemma 2 2b IT: 20.5 (#219), GPT-5.3 Chat: 27.3 (#105)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Hard Prompts | 1113 | 1399 |
Math GPT-5.3 Chat leads
Gemma 2 2b IT: 30.1 (#212), GPT-5.3 Chat: 35.4 (#146)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Math | 1135 | 1389 |
Knowledge GPT-5.3 Chat leads
Gemma 2 2b IT: 29.3 (#229), GPT-5.3 Chat: 38.2 (#137)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Expert | 1096 | 1397 |
Multilingual GPT-5.3 Chat leads
Gemma 2 2b IT: 32.5 (#252), GPT-5.3 Chat: 50.5 (#119)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Non-English | 1121 | 1383 |
| LMArena Chinese | 1132 | 1433 |
| LMArena French | 1156 | 1398 |
| LMArena German | 1114 | 1384 |
| LMArena Japanese | 1083 | 1351 |
| LMArena Korean | 1055 | 1347 |
| LMArena Russian | 1118 | 1400 |
| LMArena Spanish | 1140 | 1371 |
Instruction Following GPT-5.3 Chat leads
Gemma 2 2b IT: 58.1 (#258), GPT-5.3 Chat: 73.0 (#124)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Instruction Following | 1118 | 1378 |
Long Context GPT-5.3 Chat leads
Gemma 2 2b IT: 34.2 (#245), GPT-5.3 Chat: 42.6 (#115)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Longer Query | 1130 | 1396 |
Writing & Preference GPT-5.3 Chat leads
Gemma 2 2b IT: 36.6 (#258), GPT-5.3 Chat: 63.3 (#65)
| Benchmark | Gemma 2 2b IT | GPT-5.3 Chat |
|---|---|---|
| LMArena Text | 1156 | 1389 |
| LMArena Creative Writing | 1147 | 1356 |
| LMArena Multi-Turn | 1118 | 1413 |
| EQ-Bench Creative Writing | — | 1690 |
Frequently asked questions
Is Gemma 2 2b IT better than GPT-5.3 Chat?
GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 32.5 on the Noometry Index.
Is Gemma 2 2b IT or GPT-5.3 Chat better for coding?
GPT-5.3 Chat scores higher on coding benchmarks: 40.8 versus 31.8 in the Noometry coding category.
How many benchmarks do Gemma 2 2b IT and GPT-5.3 Chat share?
17 benchmarks have published results for both models. Gemma 2 2b IT has 17 scored results on Noometry and GPT-5.3 Chat has 18.