← All Comparisons
GLM-5 vs Gemini 3.1 Pro
A detailed comparison of GLM-5 (Zhipu AI) and Gemini 3.1 Pro (Google) across pricing, performance, and features.
Pricing Comparison
| Metric | GLM-5 | Gemini 3.1 Pro | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.00 | $2.00 | +100% |
| Output / 1M tokens | $3.20 | $12.00 | +275% |
| Context window | 200K | 1M | — |
| Max output | 128K | 64K | — |
Benchmark Comparison
| Benchmark | GLM-5 | Gemini 3.1 Pro |
|---|---|---|
| MMLU-Pro | 70.4% | 91% |
| HumanEval | 91% | 95% |
| GPQA | 72% | 94.3% |
Capabilities
| Capability | GLM-5 | Gemini 3.1 Pro |
|---|---|---|
| audio | ✗ | ✓ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
GLM-5 Strengths
- ✓Open-weight (MIT license) — self-hostable
- ✓77.8% SWE-Bench Verified — top-tier coding
- ✓128K max output — huge generation window
GLM-5 Weaknesses
- ✗MMLU-Pro lags behind Western flagships
- ✗744B parameters — heavy to self-host
- ✗China-based — availability concerns
Gemini 3.1 Pro Strengths
- ✓#1 on 12 of 18 tracked benchmarks
- ✓94.3% GPQA Diamond — highest of any model
- ✓Same price as Gemini 3 Pro (free upgrade)
- ✓1M context with configurable thinking levels
Gemini 3.1 Pro Weaknesses
- ✗Still in preview
- ✗Context-tiered pricing ($4/$18 above 200K)
Quick Verdict
Best value: GLM-5 is the more affordable option at $1/$3.2 per 1M tokens.
Higher benchmarks: Gemini 3.1 Pro scores higher on average across available benchmarks (93.4% avg).
Larger context: Gemini 3.1 Pro supports 1M tokens.
Choose GLM-5 if cost matters most. Choose Gemini 3.1 Pro if you need the best possible quality for complex tasks.