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Llama 3.1 8B Instruct vs Qwen3 4B

Qwen3 4B is cheaper on output tokens, while Llama 3.1 8B Instruct offers a larger context window. Choose Llama 3.1 8B Instruct or Qwen3 4B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecLlama 3.1 8B InstructQwen3 4B
ProviderMetaNovitaAI
Input / 1M tokens$0.05$0.03
Output / 1M tokens$0.08$0.03
Context window131K128K
Parameters——
Open weights—Yes
Released—Apr 2025
LMArena (Chatbot Arena) Elo score1187—
GPQA Diamond score27.052.3

FAQ

Is Llama 3.1 8B Instruct or Qwen3 4B cheaper?

Qwen3 4B is cheaper on output tokens ($0.03 vs $0.08 per 1M).

Which has the larger context window, Llama 3.1 8B Instruct or Qwen3 4B?

Llama 3.1 8B Instruct has the larger context window (131K tokens).

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.