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Grok 4.1 Fast vs Qwen3.5 27B

Grok 4.1 Fast is cheaper on output tokens, while Grok 4.1 Fast offers a larger context window. Choose Grok 4.1 Fast or Qwen3.5 27B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGrok 4.1 FastQwen3.5 27B
ProviderOfoxOfox
Input / 1M tokens$0.20$0.29
Output / 1M tokens$0.50$2.05
Context window2M262K
Parameters——
Open weightsNoYes
ReleasedNov 2025Feb 2026

FAQ

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