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moonshotai

MoonshotAI: Kimi K3

Vendor: moonshotai|kimi-k3
Playground
Modalities
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Model multiplier
×5.5
Context
1M
Released
Jul 17, 2026

Overview

Moonshot AI's open natively multimodal model with 2.8T parameters — the first open model in the 3T class. Built on Kimi Delta Attention and Attention Residuals with a 1M-token context; designed for long-horizon code, knowledge work and reasoning.

Context
1M
Max output
—
Released
Jul 17, 2026
Step-by-step reasoning
Yes
Open weights

Consumption multiplier

The model coefficient is a usage multiplier. Actual reference-token deductions are available in request logs.

Model multiplier
×5.5

Performance

Gateway metrics for the last 24 hours.

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FAQ

Are there any rate limits?

The default limit is request rate per key. Each key can be restricted by models, spend and IP in your dashboard.

How is billing calculated?

Usage is deducted per request, accounting for model, output and cache coefficients. The final reference-token usage is available in request logs.

Is streaming supported?

Yes, stream: true behaves exactly like in the OpenAI API — tokens arrive as they are generated.