Chat assistant
Kimi K3.1 Pro
Moonshot AI's flagship model with a 1M-token context, in the Kimi apps and API.
Moonshot AI's new flagship model: 2.8T-parameter mixture-of-experts, 1M-token context, multimodal input and a faster Highspeed variant. Strong on coding and agent benchmarks, available in the Kimi apps and API, with open weights promised by Nov 4, 2026.
- Vendor
- Moonshot AI
- Price
- Free tier, then $19 and up
- Experience
- Beginner
- Platforms
- Web, iOS, Android, API
- Last reviewed
- October 25, 2026
- Free tier
- Yes
Our rating
Overall rating: rank and stars across the whole category. A match % on guides and results is for one job and your answers, so a tool can be a top match and still rank lower overall.
Tied · #5 of 5 in Chat
- Quality
- 4.4
- Features
- 4
- Value
- 2.2
- Ease
- 4.8
Moonshot AI's chat assistant on Kimi K3 and K3.1 Pro, with Deep Research, Slides, Docs, Sheets and agent swarms; free plan, Plus $19/mo billed monthly.
Reviewed October 25, 2026.
Pros and cons
Pros
Free Adagio plan; apps for web, desktop, iOS and Android
Deep Research, Slides, Docs and Sheets agents built in
Scheduled tasks, plugins and Agent Swarm for multi-step work
Cons
Plus is $19/mo billed monthly; $15/mo needs annual billing
K3.1 Pro Highspeed starts at the $39/mo Pro plan
Voice chat and image generation are not documented on the official plan or feature pages
Jobs it fits
- Chat and brainstorm — A capable general assistant with built-in agents for research, slides, docs and sheets. Fit score 78.
- Research a question — Its Deep Research agent writes cited reports, but it is a general assistant, not a citation-first search tool. Fit score 76.