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Model comparison

Claude Fable 5.1 vs Llama 3.3 70B

Claude Fable 5.1 (Anthropic) and Llama 3.3 70B (Meta) 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 Fable 5.1Llama 3.3 70B
Input price per 1M$10.00$1.04
Output price per 1M$50.00$1.04
Context window1M tokens128K tokens
Max output128K tokens4K tokens
Input typestext, image, pdftext
Capabilitiestools, JSON, vision, reasoningtools
AuthorAnthropicMeta

What a month costs on each

WorkloadClaude Fable 5.1Llama 3.3 70B
Chatbot month (15M in, 4M out)$350.00$19.76
RAG month (40M in, 3M out)$550.00$44.72
Coding month (60M in, 10M out)$1100.00$72.80

On a typical 75/25 input-output mix, Llama 3.3 70B costs less (about 95% less than Claude Fable 5.1). Claude Fable 5.1 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-fable-5-1", "messages": [{"role": "user", "content": "Hello"}]}'

# the other one: change the model string
  -d '{"model": "meta-llama/llama-3.3-70b", ...}'

Common questions

Which is cheaper, Claude Fable 5.1 or Llama 3.3 70B?

Llama 3.3 70B is cheaper on a typical mix of 75% input and 25% output tokens, by about 95%. Through Rapid Router both are billed at the provider list price per million tokens.

Which has the larger context window?

Claude Fable 5.1, at 1M tokens. Llama 3.3 70B offers 128K tokens.

Can I switch between Claude Fable 5.1 and Llama 3.3 70B 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-fable-5-1 or meta-llama/llama-3.3-70b).

How do I pay for Claude Fable 5.1 or Llama 3.3 70B?

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 Llama: Meta API pricing