compare/Kimi K3vsGemini 3.5 Flash-Lite

Kimi K3 vs Gemini 3.5 Flash-Lite

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 Kimi K3
moonshot/kimi-k3
Gemini 3.5 Flash-Lite
google/gemini-3.5-flash-lite
ProviderMoonshotGoogle
FamilyGemini 3
Modalitytexttext
Context window1,048,576 tok1,048,576 tok
Max output32,768 tok65,536 tok
Released2026-07-162026-07-21
Input price$3.00 /1M$0.300 /1M
Output price$15.00 /1M$2.50 /1M
Cache read
Toolsyesyes
Streamingyesyes
Visionyesyes
JSON modeyesyes
Reasoningyes
Prompt caching
Kimi K3
moonshot/kimi-k3
Full spec →

Kimi K3 is Moonshot's flagship 2.8 trillion-parameter model, built on Kimi Delta Attention (a hybrid linear attention mechanism) with Attention Residuals. It offers native visual understanding, always-on reasoning, and a 1M-token context window for long-horizon coding, knowledge work, and deep reasoning tasks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Gemini 3.5 Flash-Lite
google/gemini-3.5-flash-lite
Full spec →

Gemini 3.5 Flash-Lite is a low-latency, cost-effective multimodal model optimized for high-throughput, low-cost execution for subagent tasks and document parsing.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Try Kimi K3
client.chat.completions.create(
    model="moonshot/kimi-k3",
    messages=[{"role":"user","content":"hello"}],
)

# Try Gemini 3.5 Flash-Lite — same client, same key
client.chat.completions.create(
    model="google/gemini-3.5-flash-lite",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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