Gemini 3.1 Flash-Lite Preview vs Llama 3.1 8B

Choosing between Gemini 3.1 Flash-Lite Preview and Llama 3.1 8B depends on your priorities: cost efficiency, context length, or raw capability. Llama 3.1 8B is the more affordable option at $0.18/1M input tokens — 28% cheaper than Gemini 3.1 Flash-Lite Preview. Meanwhile, Gemini 3.1 Flash-Lite Preview offers a significantly larger context window at 1,000,000 tokens vs 128,000 for Llama 3.1 8B.

These models come from different providers — Google and Meta (via Together AI) — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Google, switching to Meta (via Together AI)involves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

Both models are in the efficient category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: Llama 3.1 8B would save you roughly $219.00/month compared to Gemini 3.1 Flash-Lite Preview. For startups and indie developers, that difference can be significant.

Output costs matter too. Gemini 3.1 Flash-Lite Preview charges $1.50/1M output tokens vs $0.18 for Llama 3.1 8B. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Llama 3.1 8B has the edge here at $0.18/1M output tokens.

Multimodal capabilities: Gemini 3.1 Flash-Lite Preview supports vision (image inputs) while Llama 3.1 8B is text-only. If your application needs image understanding, this narrows your choice.