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MoonshotAIReleased on Sep 11, 2026

Kimi K2.8 Preview: Benchmarks, Pricing & Context Window

Kimi K2.8 Preview is a language model from MoonshotAI, released in September 2026, with multimodal input, and a 1.0M-token context window.

Kimi K2.8 Preview is Moonshot AI's mid-tier coding and agentic model, positioned between the flagship Kimi K3 and Kimi K2.7 Code. Moonshot describes its coding and agent performance as close to K3 with significantly more efficient thinking

Input
TextImageVideo
Output
Text
Speed
—
Cost
—

Kimi K2.8 Preview context window

Input and output token limits for Kimi K2.8 Preview, plus how it ranks on long-context understanding.

Input
1.0Mtokens
≈ 1.6k pages of text
1.0M
8K128K1M

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Kimi K2.8 Previewin Huggle

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Kimi K2.8 Preview.

Kimi K2.8 Preview

Kimi K2.8 Preview latency

Kimi K2.8 Preview time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.

Kimi K2.8 Preview examples

Recent arena outputs from Kimi K2.8 Preview, picked from the highest-ranked matchups.

Kimi K2.8 Preview license

Kimi K2.8 Preview is a proprietary model available under its provider's product and API terms.

License
Proprietary
Hosted access

Proprietary license - usage restrictions apply

Kimi K2.8 Preview resources

Official sources for Kimi K2.8 Preview: provider documentation, official playground, official launch post.

FAQ

Common questions about Kimi K2.8 Preview.

When was Kimi K2.8 Preview released?

Kimi K2.8 Preview was released on September 11, 2026 by MoonshotAI. This is the official Kimi K2.8 Preview release date tracked on LLM Stats.

Who created Kimi K2.8 Preview?

Kimi K2.8 Preview was created by MoonshotAI.

What is the license for Kimi K2.8 Preview?

Kimi K2.8 Preview is released under the Proprietary license.

Is Kimi K2.8 Preview multimodal?

Yes, Kimi K2.8 Preview is multimodal and can accept both text and images as input.

Where can I use Kimi K2.8 Preview?

Kimi K2.8 Preview is available through 1 provider including Moonshot AI.

Where is the Kimi K2.8 Preview paper or technical report?

Kimi K2.8 Preview has a paper or technical report available at https://www.kimi.com/code/docs/en/kimi-code/whats-new.html. Use that source for architecture, training, release and evaluation details.