How much does Kimi K3 cost?

Kimi K3 costs $3 per 1 million input tokens and $15 per 1 million output tokens. This pricing is set by Moonshot.

What tokenizer does Kimi K3 use?

Kimi K3 uses the cl100k_base tokenizer. This tokenizer has a vocabulary of ~100,000 tokens and is widely used across many models.

What is Kimi K3's context window?

Kimi K3 supports a context window of 1.0M tokens (1,048,576 tokens). The maximum output length is 131K tokens.

How does Kimi K3 compare to other models?

You can compare Kimi K3's pricing and capabilities against other LLMs in the comparison table above, or visit the full pricing page for a side-by-side view of all models.

How do I count tokens for Kimi K3?

Use the token counter at the top of this page or visit the homepage calculator. Paste your text and it will show the exact token count and cost for Kimi K3 using the cl100k_base tokenizer.

Kimi K3

Last verified August 3, 2026 · Moonshot pricing ↗

$3.00/1M input · $15.00/1M output · 1.0M context · Moonshot

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Same Provider

Kimi K2.7 Code

$0.950 in · $4.00 out · Moonshot

73% cheaper in Moonshot ecosystem

Pricing Details

Moonshot2.8T param MoE (16 of 896 experts active), native vision, always reasons. Cached input: $0.30/1M. Full 1M context billed flat with no length tiering. Max output defaults to 131,072 and can be raised to the full 1,048,576. Rate card is 3.16x input and 3.75x output over K2.6. AA Intelligence Index 57, rank #4 (Jul 17, 2026), at $0.94/task vs Opus 4.8's $1.80; #1 on Arena Frontend Code (1679). Very verbose: 130M tokens across AA's suite vs 63M average, though ~21% fewer output tokens than K2.6. AA measured hallucination rising to 51% from K2.6's 39%. Open weights released 2026-07-27 on HF (moonshotai/Kimi-K3), ungated, modified-MIT (separate agreement required for MaaS operators above $20M/12mo revenue). Checkpoint is 1,560.9 GB in MXFP4 across 96 shards; vLLM requires 8x B300 / 16x B200 minimum (8x MI355X also fits), so no host undercuts the first-party rate on synchronous requests: Fireworks, Together, Baseten, SiliconFlow, Novita and Atlas Cloud all match $3.00/$15.00/$0.30. Nebius matches $3/$15 with no cache discount ($4.20 blended). Only sub-list price anywhere is Fireworks batch at $1.50/$7.50 (platform-wide 50% async modifier). Note K3's license adds a MaaS clause K2's lacked. API ID: kimi-k3.

Input / 1M tokens

Output / 1M tokens

$15

Context Window

1.0M

Max Output

131K

Full Pricing Table Token Calculator

Price History

No price change recorded since 2026-08-03, when this site started tracking this model; it launched on 2026-07-16.

Frequently Asked Questions

Common questions about Kimi K3 pricing and usage