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Qwen3.5-Plus vs Codestral

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Qwen3.5-Plus Cost
$0.88
Codestral Cost
$0.48
Codestral is 45% cheaper
FeatureQwen3.5-PlusCodestral
ProviderAlibabaMistral
Input Price (1M)$0.40$0.30
Output Price (1M)$2.40$0.90
Context Window1,000,000256,000

Verdict

Qwen3.5-Plus costs $0.40 per 1M input tokens and $2.40 per 1M output tokens. Codestral costs $0.30 per 1M input tokens and $0.90 per 1M output tokens. Codestral is 25% cheaper on input tokens than Qwen3.5-Plus. For output tokens, Codestral is the more affordable option at $0.90/1M vs $2.40.

On context window, Qwen3.5-Plus 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-Plus

  • ✓ You need a larger context window (1,000,000 tokens)
  • ✓ You are already integrated with Alibaba

When to choose Codestral

  • ✓ You need the lowest input token cost ($ 0.30/1M)
  • ✓ Your workload is output-heavy — Codestral generates text cheaper
  • ✓ 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-Plus cheaper than Codestral?

Codestral is cheaper on input tokens at $0.30/1M vs $0.40/1M for Qwen3.5-Plus — a 25% saving.

What is the context window of Qwen3.5-Plus vs Codestral?

Qwen3.5-Plus has a 1,000,000-token context window. Codestral has a 256,000-token context window. Qwen3.5-Plus supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Qwen3.5-Plus or Codestral?

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