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Tracked since2026
0 reviews tracked·4 press mentionsThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Outperforms GPT-5 and Gemini 3 Pro on SWE-Bench coding benchmarks
Biggest con
Self-hosting requires significant GPU infrastructure for the full model
TL;DR - Kimi K2.5
- Open-source 1T-parameter multimodal AI model by Moonshot AI, activates 32B per request via MoE
- Agent Swarm coordinates up to 100 agents in parallel for 4.5x faster execution
- Outperforms GPT-5 on SWE-Bench, available as API, chat, and open weights on Hugging Face
Pricing: Free plan available
Best for: Growing teams
What is Kimi K2.5?
Kimi K2.5 is an open-source multimodal AI model by Moonshot AI with 1 trillion total parameters that activates 32 billion per request via Mixture-of-Experts architecture. It handles text, code, and visual content with agentic capabilities and an Agent Swarm feature that coordinates up to 100 specialized agents in parallel, cutting execution time by 4.5x. Outperforms GPT-5 and Gemini 3 Pro on SWE-Bench coding benchmarks. Available as a chat interface, API, and open weights on Hugging Face.
Available on: Web
Pros & Cons
Pros
- Outperforms GPT-5 and Gemini 3 Pro on SWE-Bench coding benchmarks
- Agent Swarm reduces execution time by 4.5x at 76% lower cost
- Open-source weights enable self-hosting and customization
- Efficient MoE architecture activates only 32B of 1T parameters per request
Cons
- Self-hosting requires significant GPU infrastructure for the full model
- Agent Swarm complexity may be overkill for simple tasks
- Newer model with less ecosystem support compared to GPT or Claude
Key Features
Mixture-of-Experts: 1T total parameters, 32B active per requestMultimodal understanding of text, code, and visual contentAgent Swarm coordinates up to 100 specialized agents in parallelOpen-source weights available on Hugging FaceInstant and thinking modes for different reasoning depthsAPI access and chat interface via Moonshot platform
Pricing Plans
Pricing checked Jun 11, 2026
Free (Chat)
Free
- Web chat interface
- Basic usage limits
- Instant and thinking modes
API
null
- Pay-per-token pricing
- Agent Swarm capabilities
- Multimodal inputs
- Production-grade access
Open Source
Free
- Full model weights on Hugging Face
- Self-hosting on own infrastructure
- Apache 2.0 license
Reviews
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Kimi K2.5 FAQ
How does Kimi K2.5 enhance coding tasks?
Kimi K2.5 excels in coding tasks, outperforming models like GPT-5 and Gemini 3 Pro on SWE-Bench coding benchmarks. Its multimodal capabilities allow it to handle text, code, and visual content, making it suitable for complex development workflows. The Agent Swarm feature can further accelerate code execution and analysis.
Which teams would benefit most from Kimi K2.5?
Teams focused on software development, AI research, and data science would benefit most from Kimi K2.5. Its strong performance in coding benchmarks, agentic capabilities, and open-source nature make it ideal for organizations that require advanced AI assistance and customization. Teams with significant GPU infrastructure can also leverage its self-hosting options.
How does Kimi K2.5 compare to ChatGPT for complex tasks?
Kimi K2.5 offers an Agent Swarm feature that coordinates up to 100 specialized agents in parallel, which can cut execution time by 4.5x for complex tasks. This contrasts with ChatGPT's approach, potentially offering a more efficient solution for highly parallelizable or intricate problems. Kimi K2.5 also provides open weights for self-hosting and customization, which ChatGPT does not.
What kind of infrastructure is needed to self-host Kimi K2.5?
Self-hosting Kimi K2.5 requires significant GPU infrastructure, especially to run the full model. While its Mixture-of-Experts architecture activates only 32 billion of its 1 trillion parameters per request, the overall model size necessitates robust hardware. This can be a trade-off for organizations without substantial computing resources.
How is Kimi K2.5 priced?
Kimi K2.5 is available on a free tier, allowing users to access its core functionalities without cost. For users requiring more extensive usage or additional features, paid plans are offered. This tiered pricing model provides flexibility for different user needs.
Can Kimi K2.5 process different types of content?
Yes, Kimi K2.5 is a multimodal AI model capable of handling text, code, and visual content. This allows it to understand and analyze diverse inputs, making it versatile for various applications. Its agentic capabilities further enhance its ability to interact with and process different content types.
How does the Agent Swarm feature improve efficiency?
The Agent Swarm feature in Kimi K2.5 significantly improves efficiency by coordinating up to 100 specialized agents in parallel. This parallel processing can reduce execution time by 4.5x compared to sequential methods. Additionally, it achieves this efficiency at a 76% lower cost.
Source: kimi.com