Kimi K3

Kimi K3

Kimitext

API Available

Specifications

Context Window

Input Price/1M

$3.00

Output Price/1M

$15.00

Parameters

Speed

59 tok/s

Latency (TTFT)

1.3s

Benchmarks

Kimi K3 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.

Coding

BenchmarkScoreMaximumMethodology
AA Coding Index76.2100.0Artificial Analysis official API
SciCode59.0100.0

Long Context

BenchmarkScoreMaximumMethodology
AA-LCR75.0100.0

overall

BenchmarkScoreMaximumMethodology
LMArena Elo1486.02000.0Crowdsourced blind pairwise comparisons
AA Intelligence Index57.1100.0Artificial Analysis official API

Reasoning

BenchmarkScoreMaximumMethodology
GPQA Diamond94.0100.0Artificial Analysis official API
HLE44.0100.0

Information

Release date
July 16, 2026
Tool Calling
❌ Not supported
Vision
❌ Not supported
Audio
❌ Not supported

Full Analysis: Kimi K3

What is Kimi K3?

Kimi K3 is an AI model developed by Kimi, classified as a text model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Kimi's cloud API.

Pricing & Costs in 2026

Kimi K3 is usage-based, priced at $3/1M input tokens and $15/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.

Benchmarks & Performance

Kimi K3 was evaluated on 7 different benchmarks, covering categories like Coding, Long Context, overall, Reasoning. Results show exceptional performance across available evaluations.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

Kimi K3 specializes in text, offering advanced capabilities for creating and processing text content.

Comparison with Alternatives

In the 2026 AI model ecosystem, Kimi K3 competes directly with similarly capable models. Kimi competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is Kimi K3?

Kimi K3 is an AI model developed by Kimi. It is a text model.

How much does Kimi K3 cost?

Kimi K3 costs $3/1M input tokens and $15/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does Kimi K3 compare with other models?

In available benchmarks, Kimi K3 scored: AA Coding Index: 76.2/100, SciCode: 59/100, AA-LCR: 75/100. See the full table above for a detailed comparison.

Is Kimi K3 open source?

No, Kimi K3 is a proprietary model from Kimi. It is available via cloud API. For open source alternatives, check our open source model ranking.

What is Kimi K3 best for?

Kimi K3 excels at general-purpose language tasks.

Last updated: July 17, 2026 View methodology →