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Model comparison

Gemma 3 4B IT vs Kimi K3

Price in rupees, context and benchmarks side by side; same key, a one-string switch.

Input price per 1M
₹4.91 ($0.050)
₹29.87 ($0.304)
Output price per 1M
₹9.83 ($0.100)
₹1,173 ($11.94)
Context window
131K tokens
1M tokens
Max output
118K tokens
1M tokens
Input types
text, image
text, image, video
Capabilities
JSON, vision
tools, JSON, vision, reasoning
Author
Google
Moonshot
LMArena Overall
1291
1476
LMArena Coding
1230
1508
LMArena Math
1239
1494
LMArena Creative writing
1270
1457
LMArena Instruction following
1239
1485
LMArena Hard prompts
1253
1495
LMArena Web dev
—
1655
GPQA Diamond
23.2%
93.1%
OTIS Mock AIME
7.5%
97.2%
SimpleQA Verified
—
50.6%

Scores from LMArena and Epoch AI, as published; a blank cell means not measured there.

What a month costs on each

Chatbot month (15M in, 4M out)
₹113
₹5,139
RAG month (40M in, 3M out)
₹226
₹4,713
Coding month (60M in, 10M out)
₹393
₹13,519

On a typical 75/25 input-output mix, Gemma 3 4B IT costs less (about 98% less than Kimi K3). Kimi K3 takes the longer prompt at 1M tokens. Try your own numbers in the cost calculator.

Call either one

curl
curl https://rapidrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemma-3-4b-it", "messages": [{"role": "user", "content": "Hello"}]}'

# the other one: change the model string
  -d '{"model": "moonshotai/kimi-k3", ...}'

Common questions

Which is cheaper, Gemma 3 4B IT or Kimi K3?

Gemma 3 4B IT is cheaper on a typical mix of 75% input and 25% output tokens, by about 98%. Through Rapid Router both are billed at the provider list price per million tokens, in rupees.

Which has the larger context window?

Kimi K3, at 1M tokens. Gemma 3 4B IT offers 131K tokens.

Can I switch between Gemma 3 4B IT and Kimi K3 without changing code?

Yes. Both are callable at https://rapidrouter.ai/api/v1 with the same OpenAI-compatible request; only the model string changes (google/gemma-3-4b-it or moonshotai/kimi-k3).

How do I pay for Gemma 3 4B IT or Kimi K3 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.