Gemini 2.0 Flash vs Llama 3.1 405B
Pricing, context window, and benchmark comparison · Last updated April 2026
Gemini 2.0 Flash is cheaper than Llama 3.1 405B at $0.10/1M/1M vs $2.70/1M/1M input tokens — a 27.0x cost difference. Gemini 2.0 Flash scores higher on quality benchmarks (ELO 1330). Choose Gemini 2.0 Flash for cost-sensitive workloads; both are strong choices depending on your budget.
Which is cheaper: Gemini 2.0 Flash or Llama 3.1 405B?
Gemini 2.0 Flash is the cheaper option at $0.10/1M per 1M input tokens, compared to $2.70/1M for Llama 3.1 405B. That is a 27.0x cost difference on input tokens. Output pricing follows a similar pattern: Gemini 2.0 Flash charges $0.40/1M/1M vs $2.70/1M/1M for Llama 3.1 405B.
Which has better quality: Gemini 2.0 Flash or Llama 3.1 405B?
Based on LMSYS Chatbot Arena rankings, Gemini 2.0 Flash achieves a higher ELO score (1330 vs 1267), suggesting stronger performance on open-ended tasks. Gemini 2.0 Flash excels at latest-gen quality with flash-tier pricing. Llama 3.1 405B is known for open source — can be self-hosted for data privacy.
Which should you choose: Gemini 2.0 Flash or Llama 3.1 405B?
- → Latest-gen quality with Flash-tier pricing
- → Native tool use and agentic capabilities
- → 1M context window
- → Open source — can be self-hosted for data privacy
- → Competitive with GPT-4o on many benchmarks
- → Strong multilingual capabilities
Frequently Asked Questions
Which is cheaper: Gemini 2.0 Flash or Llama 3.1 405B?
Gemini 2.0 Flash is cheaper at $0.10/1M per 1M input tokens, making it 27.0x more affordable.
Which has better quality: Gemini 2.0 Flash or Llama 3.1 405B?
Gemini 2.0 Flash scores higher on the LMSYS Chatbot Arena with an ELO of 1330, suggesting better overall quality for most tasks.
Which has a larger context window: Gemini 2.0 Flash or Llama 3.1 405B?
Gemini 2.0 Flash has a larger context window at 1000K tokens.
Should I choose Gemini 2.0 Flash or Llama 3.1 405B?
Choose Gemini 2.0 Flash if cost is the priority. Choose Gemini 2.0 Flash if benchmark quality is most important. Consider your specific use case: Gemini 2.0 Flash is best for fast-response and function-calling, while Llama 3.1 405B excels at coding and research.
Is Gemini 2.0 Flash or Llama 3.1 405B open source?
Gemini 2.0 Flash is proprietary. Llama 3.1 405B is open source.