Grok Build 0.1 vs Kimi K2 Instruct
Price in rupees, context and benchmarks side by side; same key, a one-string switch.
Scores from LMArena and Epoch AI, as published; a blank cell means not measured there.
What a month costs on each
On a typical 75/25 input-output mix, Kimi K2 Instruct costs less (about 20% less than Grok Build 0.1). Grok Build 0.1 takes the longer prompt at 256K 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": "x-ai/grok-build-0.1", "messages": [{"role": "user", "content": "Hello"}]}'
# the other one: change the model string
-d '{"model": "moonshotai/kimi-k2-instruct", ...}'Common questions
Which is cheaper, Grok Build 0.1 or Kimi K2 Instruct?
Kimi K2 Instruct is cheaper on a typical mix of 75% input and 25% output tokens, by about 20%. Through Rapid Router both are billed at the provider list price per million tokens, in rupees.
Which has the larger context window?
Grok Build 0.1, at 256K tokens. Kimi K2 Instruct offers 256K tokens.
Can I switch between Grok Build 0.1 and Kimi K2 Instruct without changing code?
Yes. Both are callable at https://rapidrouter.ai/api/v1 with the same OpenAI-compatible request; only the model string changes (x-ai/grok-build-0.1 or moonshotai/kimi-k2-instruct).
How do I pay for Grok Build 0.1 or Kimi K2 Instruct in India?
Top up a Rapid Router balance with UPI or a card in rupees, get a GST invoice on every recharge, and both models debit that balance per request.