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Gemini 3 Flash vs GLM-5
A detailed comparison of Gemini 3 Flash (Google) and GLM-5 (Zhipu AI) across pricing, performance, and features.
Pricing Comparison
| Metric | Gemini 3 Flash | GLM-5 | Difference |
|---|---|---|---|
| Input / 1M tokens | $0.50 | $1.00 | +100% |
| Output / 1M tokens | $3.00 | $3.20 | +7% |
| Context window | 1M | 200K | — |
| Max output | 65.536K | 128K | — |
Benchmark Comparison
| Benchmark | Gemini 3 Flash | GLM-5 |
|---|---|---|
| MMLU-Pro | 78% | 70.4% |
| HumanEval | 90% | 91% |
| GPQA | — | 72% |
Capabilities
| Capability | Gemini 3 Flash | GLM-5 |
|---|---|---|
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✓ |
| vision | ✓ | ✓ |
Gemini 3 Flash Strengths
- ✓1M context at budget pricing
- ✓Very fast
- ✓Free tier available via Google AI Studio
Gemini 3 Flash Weaknesses
- ✗Less capable than Pro on complex reasoning
- ✗Audio input priced separately ($1/1M)
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
Quick Verdict
Best value: Gemini 3 Flash is the more affordable option at $0.5/$3 per 1M tokens.
Higher benchmarks: Gemini 3 Flash scores higher on average across available benchmarks (84.0% avg).
Larger context: Gemini 3 Flash supports 1M tokens.
Choose Gemini 3 Flash if cost matters most. Choose GLM-5 if you need the best possible quality for complex tasks.