Gemini 3 Pro vs Llama 4 405B for research: which is better in 2026?
A head-to-head look at Gemini 3 Pro and Llama 4 405B for research. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For research in May 2026, Gemini 3 Pro edges out Llama 4 405B on the intelligenceIndex metric. Best for very long source bundles.
Side-by-side specs
| Spec | Gemini | Llama |
|---|---|---|
| Intelligence index | 75.6 | 71.5 |
| Coding index | 73.4 | 69.0 |
| Context window | 2M tokens | 256K tokens |
| Speed (tok/s) | 165 | 95 |
| Input $/M | $2.50 | $0.90 |
| Output $/M | $10.00 | $2.70 |
| Released | Feb 12, 2026 | Nov 5, 2025 |
How they handle research
Gemini 3 Pro: Best for very long source bundles.
Llama 4 405B: Best fully open-weights model. The main caveat is trails closed flagships on coding.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- Gemini 3 Pro: $11.75 per 1,000 queries
- Llama 4 405B: $3.51 per 1,000 queries
Verdict by sub-task
- Best raw quality on research:
- Best price: Llama 4 405B
- Longest context: Gemini 3 Pro
- Fastest: Gemini 3 Pro
FAQ
Is Gemini 3 Pro better than Llama 4 405B for research?
On May 2026 benchmarks (artificialanalysis.ai), Gemini 3 Pro ranks higher than Llama 4 405B for research on the intelligenceIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, Gemini 3 Pro or Llama 4 405B?
Gemini 3 Pro costs $2.50 input and $10.00 output per million tokens. Llama 4 405B costs $0.90 input and $2.70 output per million tokens.
Can I use both Gemini and Llama in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run Gemini 3 Pro and Llama 4 405B side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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