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Grok 4.1 Fast vs Qwen3.7-Plus

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

Grok 4.1 Fast Cost
$0.30
Qwen3.7-Plus Cost
$0.72
Grok 4.1 Fast is 58% cheaper
FeatureGrok 4.1 FastQwen3.7-Plus
ProviderxAIAlibaba
Input Price (1M)$0.20$0.40
Output Price (1M)$0.50$1.60
Context Window2,000,0001,000,000

Verdict

Grok 4.1 Fast costs $0.20 per 1M input tokens and $0.50 per 1M output tokens. Qwen3.7-Plus costs $0.40 per 1M input tokens and $1.60 per 1M output tokens. Grok 4.1 Fast is 50% cheaper on input tokens than Qwen3.7-Plus. For output tokens, Grok 4.1 Fast is the more affordable option at $0.50/1M vs $1.60.

On context window, Grok 4.1 Fast supports 2,000,000 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 Grok 4.1 Fast

  • ✓ You need the lowest input token cost ($ 0.20/1M)
  • ✓ Your workload is output-heavy — Grok 4.1 Fast generates text cheaper
  • ✓ You need a larger context window (2,000,000 tokens)
  • ✓ You are already integrated with xAI

When to choose Qwen3.7-Plus

  • ✓ You are already integrated with Alibaba

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 Grok 4.1 Fast cheaper than Qwen3.7-Plus?

Grok 4.1 Fast is cheaper on input tokens at $0.20/1M vs $0.40/1M for Qwen3.7-Plus — a 50% saving.

What is the context window of Grok 4.1 Fast vs Qwen3.7-Plus?

Grok 4.1 Fast has a 2,000,000-token context window. Qwen3.7-Plus has a 1,000,000-token context window. Grok 4.1 Fast supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Grok 4.1 Fast or Qwen3.7-Plus?

The best choice depends on your use case. For cost efficiency on input tokens, Grok 4.1 Fast is the cheaper option. For maximum context length, Grok 4.1 Fast supports 2,000,000 tokens. Use the comparison table above to find the right fit for your workload.