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Qwen3.5-Flash vs Mistral Small 4

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Qwen3.5-Flash Cost
$0.18
Mistral Small 4 Cost
$0.27
Qwen3.5-Flash is 33% cheaper
FeatureQwen3.5-FlashMistral Small 4
ProviderAlibabaMistral
Input Price (1M)$0.10$0.15
Output Price (1M)$0.40$0.60
Context Window1,000,000131,000

Verdict

Qwen3.5-Flash costs $0.10 per 1M input tokens and $0.40 per 1M output tokens. Mistral Small 4 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens. Qwen3.5-Flash is 33% cheaper on input tokens than Mistral Small 4. For output tokens, Qwen3.5-Flash is the more affordable option at $0.40/1M vs $0.60.

On context window, Qwen3.5-Flash supports 1,000,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose Qwen3.5-Flash

  • ✓ You need the lowest input token cost ($ 0.10/1M)
  • ✓ Your workload is output-heavy — Qwen3.5-Flash generates text cheaper
  • ✓ You need a larger context window (1,000,000 tokens)
  • ✓ You are already integrated with Alibaba

When to choose Mistral Small 4

  • ✓ You are already integrated with Mistral

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is Qwen3.5-Flash cheaper than Mistral Small 4?

Qwen3.5-Flash is cheaper on input tokens at $0.10/1M vs $0.15/1M for Mistral Small 4 — a 33% saving.

What is the context window of Qwen3.5-Flash vs Mistral Small 4?

Qwen3.5-Flash has a 1,000,000-token context window. Mistral Small 4 has a 131,000-token context window. Qwen3.5-Flash supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Qwen3.5-Flash or Mistral Small 4?

The best choice depends on your use case. For cost efficiency on input tokens, Qwen3.5-Flash is the cheaper option. For maximum context length, Qwen3.5-Flash supports 1,000,000 tokens. Use the comparison table above to find the right fit for your workload.