What does Kimi K3 cost?

Kimi K3 is priced at $15 output and $3 input (USD per 1M tokens)

How large is the context window of Kimi K3?

Kimi K3 has a 1M Tokens context window with up to 128K Tokens output.

Where can I access Kimi K3?

Official channels: Website and API platform.

LIVE

Policy11/2OpenAI launches Grid Protectors Program to help protect US data center power gridsOpenAI

1/77More ›Submit for Promotion

← Back to model catalog

Moonshot AI

Kimi K3

BOpen

A 2.8T-parameter frontier flagship model released by Moonshot AI in July 2026, featuring an 896-expert MoE architecture with 16 experts activated per token, and unified pricing for 1M context with no tiered surcharges. Its KDA hybrid attention mechanism delivers 6.3x decoding speedup; its front-end programming capability ranks first globally, and its coding and reasoning match Claude Opus at half the cost. Open weights released on July 27, 2026.

API Pricing

Input

Output

$15

Cached input

$0.3

Peak hours

—

USD / 1M tokens

※ Overseas pricing (Moonshot/Kimi official pricing page): $3.00 input (cached input $0.30) / $15.00 output per 1M tokens. Mainland-China pricing (¥20/¥100) is shown on the Chinese page

Price sourceplatform.moonshot.ai ↗cloud.tencent.com ↗· verified 2026-10-11

Latest change：Down 25.9% vs previous（$4.765 → $3.529 / 1M）

Price history

12 snapshots · 2026-04-28 → 2026-08-17

Current: $3.529Period low: $3.529 (2026-08-17)Period high: $4.765 (2026-04-28)First tracked: $4.765 (2026-04-28)

Specifications

Context window: 1M Tokens
Max output: 128K Tokens
Total parameters: 2.8T
Active parameters: 16 experts active
Architecture: MoE + KDA hybrid attention
Input modalities: Text
License: Open (weights releasing Jul 27, 2026)

Overall score

Total

56.7

Rank

#11

Tier

Data confidence

85%

Capability73

Scale35

Value37

Context60.5

Ecosystem62.5

Freshness57.8

Capabilities & use cases

Frontend_coding #1 globallyArtificial_Analysis_Index Top tier

Key capabilities

KDA hybrid attention (6.3x decode speedup)
#1 frontend coding globally
OpenAI SDK-compatible, zero migration
Flat-rate 1M context

Best for

Coding agent
Long-context reasoning
Complex multi-step tasks
Front-end development

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Same vendor

Kimi K2.7 Code Kimi K2.6

FAQ

What does Kimi K3 cost?: Kimi K3 is priced at $15 output and $3 input (USD per 1M tokens)
How large is the context window of Kimi K3?: Kimi K3 has a 1M Tokens context window with up to 128K Tokens output.
Where can I access Kimi K3?: Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.