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Gemini 3.1 Flash Lite Preview vs Llama 4 Scout 17B Instruct

Gemini 3.1 Flash Lite Preview (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 Preview ships a 1M-token context window, while Llama 4 Scout 17B Instruct ships a not-yet-sourced context window. 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 Preview only for coding workflow support.

Specs

Specification
Released2026-03-032026-01-01
Context window1M
Parameters
Architecturedecoder only-
LicenseProprietaryProprietary
Knowledge cutoff2025-01-

Pricing and availability

Pricing attributeGemini 3.1 Flash Lite PreviewLlama 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

CapabilityGemini 3.1 Flash Lite PreviewLlama 4 Scout 17B Instruct
VisionYesNo
MultimodalYesYes
ReasoningNoNo
Function callingYesNo
Tool useYesNo
Structured outputsYesYes
Code executionYesNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Gemini 3.1 Flash Lite Preview, function calling: Gemini 3.1 Flash Lite Preview, tool use: Gemini 3.1 Flash Lite Preview, and code execution: Gemini 3.1 Flash Lite Preview. 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 Preview 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 3 providers versus 1, so concentration risk also matters.

Choose Gemini 3.1 Flash Lite Preview 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 Preview or Llama 4 Scout 17B Instruct?

Llama 4 Scout 17B Instruct is cheaper on tracked token pricing. Gemini 3.1 Flash Lite Preview 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 Preview or Llama 4 Scout 17B Instruct open source?

Gemini 3.1 Flash Lite Preview 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 Preview or Llama 4 Scout 17B Instruct?

Gemini 3.1 Flash Lite Preview 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 Preview or Llama 4 Scout 17B Instruct?

Both Gemini 3.1 Flash Lite Preview 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 Preview or Llama 4 Scout 17B Instruct?

Gemini 3.1 Flash Lite Preview 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 Preview and Llama 4 Scout 17B Instruct?

Gemini 3.1 Flash Lite Preview is available on Google AI Studio, GCP Vertex AI, and OpenRouter. Llama 4 Scout 17B Instruct is available on AWS Bedrock. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.