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MoonshotAIReleased on Jan 20, 2025

Kimi-k1.5: API Pricing, Context Window & Benchmarks

Kimi-k1.5 is a language model from MoonshotAI, released in January 2025, with multimodal input.

Kimi 1.5 is a next-generation multimodal large language model developed by Moonshot AI. It incorporates advanced reinforcement learning (RL) and scalable multimodal reasoning, delivering state-of-the-art performance in math, code, vision,

Kimi-k1.5 benchmarks

Capability tiers

Standing within each category, adjusted for leaderboard depth.

Real tasks performance

High-confidence performance for Kimi-k1.5 across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.

Performance by conversation depth

How Kimi-k1.5 holds up as conversations get longer.

Quality Tracker

Kimi-k1.5 Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Tue Sep 08 2026
Notice missing or incorrect data?

Kimi-k1.5 API

Available from the model provider

Kimi-k1.5 has an official provider API. It is not currently routed through the LLM Stats gateway.

Read the official API documentation

Kimi-k1.5 latency

Kimi-k1.5 time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Kimi-k1.5 examples

Recent arena outputs from Kimi-k1.5, picked from the highest-ranked matchups.

Kimi-k1.5 license

Kimi-k1.5 is a proprietary model available under its provider's product and API terms.

License
Proprietary
Hosted access

Proprietary license - usage restrictions apply

Kimi-k1.5 resources

Official sources for Kimi-k1.5: api documentation, official playground, paper or system card, source repository.

Kimi-k1.5 vs other models

The most-compared alternatives to Kimi-k1.5 are Llama 3.1 405B Instruct, Grok-2, Phi 4 Reasoning. Open any pair side-by-side for benchmarks, pricing, context, and latency.

Models like Kimi-k1.5

Models ranked just above and below Kimi-k1.5 by LLM Stats score.

 

Llama 3.1 405B Instruct

Score pending
 

Grok-2

Score pending
 

Phi 4 Reasoning

Score pending
 

Llama 3.1 70B Instruct

Score pending
 

QwQ-32B

Score pending
 

Claude 3.5 Sonnet

Score pending

FAQ

Common questions about Kimi-k1.5.

When was Kimi-k1.5 released?

Kimi-k1.5 was released on January 20, 2025 by MoonshotAI. This is the official Kimi-k1.5 release date tracked on LLM Stats.

Is Kimi-k1.5 available via API?

Yes, Kimi-k1.5 is available via API. See the official documentation for authentication and endpoint details.

Who created Kimi-k1.5?

Kimi-k1.5 was created by MoonshotAI.

What is the license for Kimi-k1.5?

Kimi-k1.5 is released under the Proprietary license.

Is Kimi-k1.5 multimodal?

Yes, Kimi-k1.5 is multimodal and can accept both text and images as input.

Where is the Kimi-k1.5 paper or technical report?

Kimi-k1.5 has a paper or technical report available at https://arxiv.org/abs/2501.12599. Use that source for architecture, training, release and evaluation details.

What models should I compare Kimi-k1.5 against?

Common Kimi-k1.5 comparisons include Kimi-k1.5 vs Llama 3.1 405B Instruct, Kimi-k1.5 vs Grok-2, Kimi-k1.5 vs Phi 4 Reasoning. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.