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Model comparison

mistral-7b-instruct-v0.3 vs Qwen3.5 0.8B

mistral-7b-instruct-v0.3 (Mistral) and Qwen3.5 0.8B (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.

mistral-7b-instruct-v0.3Qwen3.5 0.8B
Input price per 1M$0.028$0.010
Output price per 1M$0.054$0.050
Context window127K tokens33K tokens
Max output127K tokens8K tokens
Input typestexttext
Capabilitiestools, JSONtools
AuthorMistralQwen

What a month costs on each

Workloadmistral-7b-instruct-v0.3Qwen3.5 0.8B
Chatbot month (15M in, 4M out)$0.636$0.350
RAG month (40M in, 3M out)$1.28$0.550
Coding month (60M in, 10M out)$2.22$1.10

On a typical 75/25 input-output mix, Qwen3.5 0.8B costs less (about 42% less than mistral-7b-instruct-v0.3). mistral-7b-instruct-v0.3 takes the longer prompt at 127K 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": "mistralai/mistral-7b-instruct-v0.3", "messages": [{"role": "user", "content": "Hello"}]}'

# the other one: change the model string
  -d '{"model": "qwen/qwen3.5-0.8b", ...}'

Common questions

Which is cheaper, mistral-7b-instruct-v0.3 or Qwen3.5 0.8B?

Qwen3.5 0.8B is cheaper on a typical mix of 75% input and 25% output tokens, by about 42%. Through Rapid Router both are billed at the provider list price per million tokens.

Which has the larger context window?

mistral-7b-instruct-v0.3, at 127K tokens. Qwen3.5 0.8B offers 33K tokens.

Can I switch between mistral-7b-instruct-v0.3 and Qwen3.5 0.8B without changing code?

Yes. Both are callable at https://rapidrouter.ai/api/v1 with the same OpenAI-compatible request; only the model string changes (mistralai/mistral-7b-instruct-v0.3 or qwen/qwen3.5-0.8b).

How do I pay for mistral-7b-instruct-v0.3 or Qwen3.5 0.8B?

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

More Mistral models: Mistral API pricing · More Qwen: Qwen API pricing