Gemini 3 Pro vs GLM 5.3
Gemini 3 Pro 
GLM 5.3 Verdict
- Gemini 3 Pro and GLM 5.3 (max) are level on quality (60.8 vs 60.0).
- Gemini 3 Pro is stronger in agents & tools, instruction following, knowledge, multimodal, reasoning.
- GLM 5.3 (max) is stronger in coding, maths.
- GLM 5.3 (max) is 2.1× cheaper ($2.15 vs $4.50 per 1M blended).
| Metric | Gemini 3 Pro | GLM 5.3 (max) |
|---|---|---|
| BenchLeader Index | 60.8 | 60.0 |
| Agents & tools score | 61.4 | 52.8 |
| Coding score | 58.8 | 64.3 |
| Human preference score | 68.9 | 68.9 |
| Instruction following score | 61.9 | – |
| Knowledge score | 56.8 | 55.8 |
| Maths score | 52.1 | 60.0 |
| Multimodal score | 66.2 | – |
| Reasoning score | 67.1 | 66.9 |
| Blended price $/M | $4.50 | $2.15 |
| Output speed | – | 66 tok/s |
| Time to first answer | – | 33.5 s |
| Context window | 1.0M | 1M |
| GPQA Diamond | 92.6% | 90.9% |
| FrontierMath Tiers 1–3 | – | 68.8% |
| FrontierMath Tier 4 | – | 29.3% |
| OTIS Mock AIME | 91.4% | 91.1% |
| SWE-bench Verified (Epoch) | 72.9% | – |
| SimpleQA Verified | – | 41.0% |
| Humanity's Last Exam | 37.5% | – |
| Terminal-Bench | 69.4% | 41.8% |
| SimpleBench | 76.4% | – |
| GDPval | 40.3% | – |
| SciCode | – | 56.5% |
| Remote Labor Index | 1.3% | – |
| WeirdML | 69.9% | 75.4% |
| APEX-Agents | 31.5% | – |
| ProofBench | 20.0% | 49.0% |
| GSO-Bench | 18.6% | – |
| Epoch Capabilities Index | 153.0 | – |
| LMArena Text | 1486 | 1486 |
| LMArena Hard Prompts | 1504 | 1509 |
| LMArena Coding | 1518 | 1526 |
| LMArena WebDev | 1439 | 1614 |
| LMArena Vision | 1305 | – |
| LMArena Agent | – | 2.6 |
| LiveCodeBench | 86.4% | 80.5% |
| MMLU-Pro | 90.1% | 86.8% |
| IOI | – | 68.4% |
| LegalBench | – | 84.8% |
| TaxEval | – | 72.4% |
| Terminal-Bench 2.1 (Vals) | – | 71.5% |
| SWE-bench (Vals) | – | 95.4% |
| GPQA Diamond (Vals) | – | 88.1% |
| Vals Index | – | 57.0 |
| AIME 2026 | 91.7% | – |
| HMMT February 2026 | 86.4% | – |
| MathArena Apex | 23.4% | – |
| SWE-Bench Pro | 43.3% | – |
| MCP Atlas | 70.3% | – |
| MultiChallenge | 65.7% | – |
| PRBench Finance | 39.2% | – |
| PRBench Legal | 40.6% | – |
| VISTA | 51.5% | – |
| MultiNRC | 59.0% | – |
| TutorBench | 53.7% | – |
| MMMU-Pro (official) | 81.0% | – |
| Kagi LLM Benchmark | 80.1% | – |
| IFEval (HELM) | 87.6% | – |
| Omni-MATH (HELM) | 55.6% | – |
| WildBench (HELM) | 85.9% | – |
| MMLU-Pro (HELM) | 90.3% | – |
| GPQA Diamond (HELM) | 80.3% | – |
| HELM Capabilities mean | 79.9% | – |
| SWE-bench Verified (bash only) | 74.2% | – |
| SWE-bench Verified (any scaffold) | 77.4% | – |
| ARC-AGI-1 | 75.0% | – |
| ARC-AGI-2 | 54.0% | – |
| BFCL Overall | 72.5% | – |
Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.
Gemini 3 Pro vs GLM 5.3: questions
- Is Gemini 3 Pro better than GLM 5.3?
- Gemini 3 Pro and GLM 5.3 (max) are level on quality (60.8 vs 60.0). The BenchLeader Index combines every independent quality benchmark; Gemini 3 Pro is ahead overall as of 2026-09-13, but check the category scores for your use.
- Is Gemini 3 Pro better than GLM 5.3 for coding?
- GLM 5.3 scores higher in coding (64 vs 59 on the category index, where 50 is average).
- Is Gemini 3 Pro better than GLM 5.3 for agentic tasks?
- Gemini 3 Pro scores higher in agentic tasks (61 vs 53 on the category index, where 50 is average).
- Which is cheaper, Gemini 3 Pro or GLM 5.3?
- GLM 5.3 is cheaper: $2.15 against $4.50 per million tokens, blended at three input tokens per output token.
- Which has the larger context window?
- Gemini 3 Pro accepts more context: 1.0M against 1M tokens.