Kimi K2.5
Claim this toolAI assistant that understands, analyzes, and thinks deeply.
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Coverage from Tom's Hardware The Decoder
4 press mentions The Bottom Line
- Price
- Free plan available. Compare plans
Key facts
- 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
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
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
Data compiled by Toolradar Pricing checked · How we evaluate
Source kimi.com Key Features
- Mixture-of-Experts: 1T total parameters, 32B active per request
- Multimodal understanding of text, code, and visual content
- Agent Swarm coordinates up to 100 specialized agents in parallel
- Open-source weights available on Hugging Face
- Instant and thinking modes for different reasoning depths
- API access and chat interface via Moonshot platform
Pricing Plans
Pricing checked Oct 11, 2026. Source: platform.moonshot.ai, read Oct 11, 2026
| Plan | Price | Details |
|---|---|---|
| Free (Chat) | $0 |
|
| API | Custom |
+1 more Show less
|
| Open Source | $0 |
|
Is Kimi K2.5 worth the price?
Good value
The pricing is generous and developer-friendly, with a free chat tier and a fully open-source model under Apache 2.0 at $0.
The API uses pay-per-token, which is fair for production use but lacks a free trial. Best for cost-conscious developers and teams who want to self-host or experiment without upfront commitment.
Hidden Costs & Gotchas
Self-hosting requires own compute and storage
No seat minimums but no volume discounts listed
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