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Gemini 3.1 Pro vs Llama 4 Scout
A detailed comparison of Gemini 3.1 Pro (Google) and Llama 4 Scout (Meta) across pricing, performance, and features.
Pricing Comparison
| Metric | Gemini 3.1 Pro | Llama 4 Scout | Difference |
|---|---|---|---|
| Input / 1M tokens | $2.00 | $0.18 | -91% |
| Output / 1M tokens | $12.00 | $0.63 | -95% |
| Context window | 1M | 10M | — |
| Max output | 64K | 32K | — |
Benchmark Comparison
| Benchmark | Gemini 3.1 Pro | Llama 4 Scout |
|---|---|---|
| MMLU-Pro | 91% | 74.2% |
| HumanEval | 95% | 86% |
| GPQA | 94.3% | — |
Capabilities
| Capability | Gemini 3.1 Pro | Llama 4 Scout |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✗ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✗ |
| vision | ✓ | ✓ |
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)
Llama 4 Scout Strengths
- ✓10M token context — largest available
- ✓Open-source
- ✓Ultra cheap via API providers
Llama 4 Scout Weaknesses
- ✗Lower benchmarks than Maverick
- ✗Limited tool-use support
Quick Verdict
Best value: Llama 4 Scout is the more affordable option at $0.18/$0.63 per 1M tokens.
Higher benchmarks: Gemini 3.1 Pro scores higher on average across available benchmarks (93.4% avg).
Larger context: Llama 4 Scout supports 10M tokens.
Choose Llama 4 Scout if cost matters most. Choose Gemini 3.1 Pro if you need the best possible quality for complex tasks.