Gemini 3.1 Flash-Lite vs Llama 4 Scout 17B Instruct
Gemini 3.1 Flash-Lite (2026) and Llama 4 Scout 17B Instruct (2026) are general-purpose language models from Google DeepMind and AI at Meta. Gemini 3.1 Flash-Lite ships a 1M-token context window, while Llama 4 Scout 17B Instruct ships a not-yet-sourced context window. On Chatbot Arena, Gemini 3.1 Flash-Lite leads by 137 pts. On pricing, Llama 4 Scout 17B Instruct costs $0.17/1M input tokens versus $0.25/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Llama 4 Scout 17B Instruct is ~47% cheaper at $0.17/1M; pay for Gemini 3.1 Flash-Lite only for coding workflow support.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-05-07 | 2026-01-01 |
| Context window | 1M | — |
| Parameters | — | — |
| Architecture | decoder only | - |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2025-01 | - |
Pricing and availability
| Pricing attribute | Gemini 3.1 Flash-Lite | Llama 4 Scout 17B Instruct |
|---|---|---|
| Input price | $0.25/1M tokens | $0.17/1M tokens |
| Output price | $1.5/1M tokens | $0.66/1M tokens |
| Providers |
Capabilities
| Capability | Gemini 3.1 Flash-Lite | Llama 4 Scout 17B Instruct |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | Yes |
| Reasoning | No | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
Benchmarks
| Benchmark | Gemini 3.1 Flash-Lite | Llama 4 Scout 17B Instruct |
|---|---|---|
| Chatbot Arena | 1432.0 | 1295.0 |
Deep dive
On shared benchmark coverage, Chatbot Arena has Gemini 3.1 Flash-Lite at 1432 and Llama 4 Scout 17B Instruct at 1295, with Gemini 3.1 Flash-Lite ahead by 137 points. The largest visible gap is 137 points on Chatbot Arena, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on vision: Gemini 3.1 Flash-Lite, function calling: Gemini 3.1 Flash-Lite, tool use: Gemini 3.1 Flash-Lite, and code execution: Gemini 3.1 Flash-Lite. Both models share multimodal input and structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Gemini 3.1 Flash-Lite lists $0.25/1M input and $1.5/1M output tokens, while Llama 4 Scout 17B Instruct lists $0.17/1M input and $0.66/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Llama 4 Scout 17B Instruct lower by about $0.31 per million blended tokens. Availability is 2 providers versus 1, so concentration risk also matters.
Choose Gemini 3.1 Flash-Lite when coding workflow support and broader provider choice are central to the workload. Choose Llama 4 Scout 17B Instruct when provider fit and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which is cheaper, Gemini 3.1 Flash-Lite or Llama 4 Scout 17B Instruct?
Llama 4 Scout 17B Instruct is cheaper on tracked token pricing. Gemini 3.1 Flash-Lite costs $0.25/1M input and $1.5/1M output tokens. Llama 4 Scout 17B Instruct costs $0.17/1M input and $0.66/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Gemini 3.1 Flash-Lite or Llama 4 Scout 17B Instruct open source?
Gemini 3.1 Flash-Lite is listed under Proprietary. Llama 4 Scout 17B Instruct is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Gemini 3.1 Flash-Lite or Llama 4 Scout 17B Instruct?
Gemini 3.1 Flash-Lite has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Gemini 3.1 Flash-Lite or Llama 4 Scout 17B Instruct?
Both Gemini 3.1 Flash-Lite and Llama 4 Scout 17B Instruct expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Which is better for function calling, Gemini 3.1 Flash-Lite or Llama 4 Scout 17B Instruct?
Gemini 3.1 Flash-Lite has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Gemini 3.1 Flash-Lite and Llama 4 Scout 17B Instruct?
Gemini 3.1 Flash-Lite is available on Google AI Studio and OpenRouter. Llama 4 Scout 17B Instruct is available on AWS Bedrock. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.