Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
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Among the 420 chat models on CoreAI, MoonshotAI: Kimi K3.1 Pro (batch) ranks #44 by context window — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. On price, it is the #89 cheapest of 201 standard-tier models by input cost. It joined the catalog on 2026-10-23. It supports step-by-step reasoning (thinking mode) and accepts image input.
Every model in this table is available on CoreAI — open the web app and run the same prompt through MoonshotAI: Kimi K3.1 Pro (batch) and MoonshotAI: Kimi K2.6 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00370 on MoonshotAI: Kimi K3.1 Pro (batch)'s raw per-token rates; a heavy session with a 50K-token document costs about $0.065. On CoreAI you don't juggle these numbers — one subscription covers MoonshotAI: Kimi K3.1 Pro (batch) and 300+ other models under a plan usage limit, with no API keys. See plans.
MoonshotAI: Kimi K3.1 Pro (batch) handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
MoonshotAI: Kimi K3.1 Pro (batch)'s underlying rates are $0.7 per 1M input tokens and $6 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
Yes — MoonshotAI: Kimi K3.1 Pro (batch) accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. MoonshotAI: Kimi K3.1 Pro (batch) can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick MoonshotAI: Kimi K3.1 Pro (batch) in the model selector, and chat — no API key, no per-token billing. One subscription covers MoonshotAI: Kimi K3.1 Pro (batch) and 300+ other models.
The closest alternatives on CoreAI are MoonshotAI: Kimi K2.6, Google: Gemini 4 Hydrogen, Z.ai: GLM 5.2 — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
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