Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date. It is suited for agentic workflows and real-time applications where latency compounds, such...
With CoreAI, you can start chatting with Inception: Mercury 3 instantly — no separate subscription needed. CoreAI lets you chat with Inception: Mercury 3 alongside 300+ other AI models from Inception and other providers like OpenAI, Anthropic, Google, Meta, and more.
Measured against all 452 chat models CoreAI serves, Inception: Mercury 3 sits at #127 for context capacity — 1M tokens, roughly 750,000 words or 1,500 pages of text in a single conversation. On price, it is the #72 cheapest of 156 budget-tier models by input cost. Released 2026-10-16, it is one of the 6 newest additions to the catalog. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through Inception: Mercury 3 and Inception: Mercury 2.5 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00027 on Inception: Mercury 3's raw per-token rates; a heavy session with a 50K-token document costs about $0.007. On CoreAI you don't juggle these numbers — one subscription covers Inception: Mercury 3 and 300+ other models under a plan usage limit, with no API keys. See plans.
Inception: Mercury 3 handles 1M tokens of context — roughly 750,000 words, or about 1,500 pages of text in one conversation.
Inception: Mercury 3's underlying rates are $0.1 per 1M input tokens and $0.35 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — Inception: Mercury 3 is text-only. If you need image understanding, its budget-tier peers with vision are listed in the comparison table above.
Yes. Inception: Mercury 3 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 Inception: Mercury 3 in the model selector, and chat — no API key, no per-token billing. One subscription covers Inception: Mercury 3 and 300+ other models.
The closest alternatives on CoreAI are Inception: Mercury 2.5, MiniMax: MiniMax M3.1 Flash (free), DeepSeek: DeepSeek V4 Flash Latest — 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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