Model comparison
Gemini 1.0 Pro vs GPT-5.3 Chat
GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 27.1 on the Noometry Index.
Last verified . 16 shared benchmarks.
GoogleSummary
- They share 16 benchmarks with published results for both. Gemini 1.0 Pro 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 36.2.
Side by side
| Gemini 1.0 Pro | GPT-5.3 Chat | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 27.1 | 42.1 |
| Released | 2023-12-13 | 2026-03-03 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 16K |
| Input $ / M tokens | — | $1.75 |
| Output $ / M tokens | — | $14 |
| Results tracked | 24 | 18 |
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Category by category
Coding GPT-5.3 Chat leads
Gemini 1.0 Pro: 31.6 (#270), GPT-5.3 Chat: 40.8 (#124)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Coding | 1108 | 1408 |
| HumanEval+ | 55.5% | — |
| MBPP+ | 61.4% | — |
Reasoning GPT-5.3 Chat leads
Gemini 1.0 Pro: 16.4 (#292), GPT-5.3 Chat: 27.3 (#105)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Hard Prompts | 1109 | 1399 |
| DTBench | 45.9% | — |
| Epoch Capabilities Index | 116.97 | — |
Math GPT-5.3 Chat leads
Gemini 1.0 Pro: 8.7 (#315), GPT-5.3 Chat: 35.4 (#146)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Math | 1132 | 1389 |
| OTIS Mock AIME 2024-2025 | 1.1% | — |
| MATH Level 5 | 11.2% | — |
Knowledge GPT-5.3 Chat leads
Gemini 1.0 Pro: 15.5 (#286), GPT-5.3 Chat: 38.2 (#137)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Expert | 1059 | 1397 |
| GPQA Diamond | 34% | — |
| MMLU | 70% | — |
Multilingual GPT-5.3 Chat leads
Gemini 1.0 Pro: 33.5 (#247), GPT-5.3 Chat: 50.5 (#119)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Non-English | 1138 | 1383 |
| LMArena Chinese | 1124 | 1433 |
| LMArena French | 1144 | 1398 |
| LMArena German | 1125 | 1384 |
| LMArena Japanese | 1023 | 1351 |
| LMArena Russian | 1186 | 1400 |
| LMArena Spanish | 1118 | 1371 |
| LMArena Korean | — | 1347 |
Instruction Following GPT-5.3 Chat leads
Gemini 1.0 Pro: 57.9 (#262), GPT-5.3 Chat: 73.0 (#124)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Instruction Following | 1114 | 1378 |
Long Context GPT-5.3 Chat leads
Gemini 1.0 Pro: 34.3 (#244), GPT-5.3 Chat: 42.6 (#115)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Longer Query | 1132 | 1396 |
Writing & Preference GPT-5.3 Chat leads
Gemini 1.0 Pro: 36.2 (#259), GPT-5.3 Chat: 63.3 (#65)
| Benchmark | Gemini 1.0 Pro | GPT-5.3 Chat |
|---|---|---|
| LMArena Text | 1149 | 1389 |
| LMArena Creative Writing | 1130 | 1356 |
| LMArena Multi-Turn | 1139 | 1413 |
| EQ-Bench Creative Writing | — | 1690 |
Frequently asked questions
Is Gemini 1.0 Pro better than GPT-5.3 Chat?
GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 27.1 on the Noometry Index.
Is Gemini 1.0 Pro or GPT-5.3 Chat better for coding?
GPT-5.3 Chat scores higher on coding benchmarks: 40.8 versus 31.6 in the Noometry coding category.
How many benchmarks do Gemini 1.0 Pro and GPT-5.3 Chat share?
16 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and GPT-5.3 Chat has 18.