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Model comparison

Claude Haiku 5.5 vs Qwen3.7 Flash

Claude Haiku 5.5 (Anthropic) and Qwen3.7 Flash (Qwen) side by side: what each costs per million tokens through Rapid Router, how much context each takes, what each supports, and where independent benchmarks place them. Same API, same key; switching is a one-string change.

Claude Haiku 5.5Qwen3.7 Flash
Input price per 1M$0.100$0.030
Output price per 1M$0.500$0.130
Context window1M tokens1M tokens
Max output128K tokens131K tokens
Input typestext, image, pdftext, image, video
Capabilitiestools, JSON, vision, reasoningtools, JSON, vision, reasoning
AuthorAnthropicQwen

What a month costs on each

WorkloadClaude Haiku 5.5Qwen3.7 Flash
Chatbot month (15M in, 4M out)$3.50$0.970
RAG month (40M in, 3M out)$5.50$1.59
Coding month (60M in, 10M out)$11.00$3.10

On a typical 75/25 input-output mix, Qwen3.7 Flash costs less (about 73% less than Claude Haiku 5.5). Claude Haiku 5.5 takes the longer prompt at 1M tokens. Try your own numbers in the cost calculator.

Call either one

curl https://rapidrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "anthropic/claude-haiku-5-5", "messages": [{"role": "user", "content": "Hello"}]}'

# the other one: change the model string
  -d '{"model": "qwen/qwen3.7-flash:free", ...}'

Common questions

Which is cheaper, Claude Haiku 5.5 or Qwen3.7 Flash?

Qwen3.7 Flash is cheaper on a typical mix of 75% input and 25% output tokens, by about 73%. Through Rapid Router both are billed at the provider list price per million tokens.

Which has the larger context window?

Claude Haiku 5.5, at 1M tokens. Qwen3.7 Flash offers 1M tokens.

Can I switch between Claude Haiku 5.5 and Qwen3.7 Flash without changing code?

Yes. Both are callable at https://rapidrouter.ai/api/v1 with the same OpenAI-compatible request; only the model string changes (anthropic/claude-haiku-5-5 or qwen/qwen3.7-flash:free).

How do I pay for Claude Haiku 5.5 or Qwen3.7 Flash?

Top up a Rapid Router balance by card in US dollars, and both models debit that balance per request.

More Claude models: Anthropic API pricing · More Qwen: Qwen API pricing