Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software engineering work such as terminal workflows, codebase changes, and data...
With CoreAI, you can start chatting with Particle AI: Particle-1 (free) instantly — no separate subscription needed. CoreAI lets you chat with Particle AI: Particle-1 (free) alongside 300+ other AI models from Particle-ai and other providers like OpenAI, Anthropic, Google, Meta, and more.
Particle AI: Particle-1 (free) holds the #44 spot for context size out of 418 chat models in the CoreAI catalog — 1.0M tokens, roughly 786,432 words or 1,573 pages of text in a single conversation. It joined the catalog on 2026-10-28. 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 Particle AI: Particle-1 (free) and Particle AI: Particle-1 side by side to judge with your own eyes.
Particle AI: Particle-1 (free) handles 1.0M tokens of context — roughly 786,432 words, or about 1,573 pages of text in one conversation.
Particle AI: Particle-1 (free) is one of the budget-friendly options in the CoreAI catalog, included in the same single subscription as every other model.
Yes — Particle AI: Particle-1 (free) accepts image input, so you can attach screenshots, photos or diagrams and ask questions about them.
Yes. Particle AI: Particle-1 (free) 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 Particle AI: Particle-1 (free) in the model selector, and chat — no API key, no per-token billing. One subscription covers Particle AI: Particle-1 (free) and 300+ other models.
The closest alternatives on CoreAI are Particle AI: Particle-1, inclusionAI: Ling 3.2 Flash (free) — 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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