Kimi K3
Save 70%Relaymoonshot/kimi-k3
Kimi K3 — Moonshot AI's flagship open-weight reasoning model with a 1M-token context.
- Context window
- 1M
- Max output
- 131K
- Input modalities
- text · image
- Output modalities
- text
- Capabilities
- Vision · Reasoning · Tool calling · Coding · Prompt cache · Paid cache writes · Normalize Openai Envelope
- Upstream release
- 2026-07-16
- RouteMux name
- moonshot/kimi-k3
Try Kimi K3 here
Tune the request, see the current price ceiling, and inspect the real response without leaving this model page.
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Kimi K3 API pricing
Source: official_x0.3 · Verified 2026-09-23
Cache read $0.09/M · Cache write $0.9/M
Estimate cost
Limited time20% extra Credits on your first top-up — up to 200 bonus Credits
Applies to your first top-up within 72 hours of signing up. Minimum $20, once per account.
Key capabilities
Interface and protocols
Use any of these IDs to call this model via the API.
moonshot/kimi-k3Replace the ROUTEMUX_KEY placeholder with your API key. Create one →
from openai import OpenAI
client = OpenAI(
base_url="https://api.routemux.com/v1",
api_key="<ROUTEMUX_KEY>",
)
completion = client.chat.completions.create(
model="moonshot/kimi-k3",
messages=[{"role": "user", "content": "What is the meaning of life?"}],
)
print(completion.choices[0].message.content)Performance (last 30 days)
Kimi K3 FAQ
›What is Kimi K3?
Kimi K3 — Moonshot AI's flagship open-weight reasoning model with a 1M-token context.
›How large is the context window of Kimi K3?
Kimi K3 supports a context window of up to 1M tokens, with up to 131K output tokens per request.
›How much does the Kimi K3 API cost?
Through RouteMux, Kimi K3 costs $0.9 for input and $4.5 for output (USD per 1M tokens), below the official list price.
›How do I call Kimi K3 via API?
Kimi K3 is OpenAI-compatible: point your base URL at RouteMux and set the model field to moonshot/kimi-k3 — no code changes needed.
›Which input and output modalities does Kimi K3 support?
Kimi K3 accepts text, image as input and produces text as output.
›When was Kimi K3 released?
Kimi K3 was released on July 16, 2026.