What is the difference between Gemini 3.8 Flash and Llama 3.1 70B (Instruct)?

Gemini 3.8 Flash is developed by Google AI while Llama 3.1 70B (Instruct) is developed by Meta AI. Gemini 3.8 Flash has a 1.0M token context window vs Llama 3.1 70B (Instruct)'s 128K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.8 Flash or Llama 3.1 70B (Instruct)?

It depends on your use case. Gemini 3.8 Flash and Llama 3.1 70B (Instruct) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does Gemini 3.8 Flash cost compared to Llama 3.1 70B (Instruct)?

Gemini 3.8 Flash costs $0.75/M input tokens and Llama 3.1 70B (Instruct) costs $0.59/M input tokens. Llama 3.1 70B (Instruct) is $0.16/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Gemini 3.8 Flash and Llama 3.1 70B (Instruct) on Rival?

This page shows a side-by-side comparison of Gemini 3.8 Flash and Llama 3.1 70B (Instruct) across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2026

Gemini 3.8 FlashvsLlama 3.1 70B (Instruct)

Llama 3.1 70B (Instruct) is cheaper than Gemini 3.8 Flash at $0.59/M vs $0.75/M input tokens.

Gemini 3.8 Flash and Llama 3.1 70B (Instruct) compared across 52 shared prompts
Spec	Gemini 3.8 Flash	Llama 3.1 70B (Instruct)
Input price	$0.75/M tokens	$0.59/M tokens
Output price	$3.75/M tokens	$0.79/M tokens
Context window	1.0M tokens	128K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Sep 2026	Jul 2024