Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, achieving...
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Among the 413 chat models on CoreAI, Inception: Mercury 2.5 ranks #245 by context window — 260K tokens, roughly 195,000 words or 390 pages of text in a single conversation. On price, it is the #12 cheapest of 135 budget-tier models by input cost. Released 2026-09-08, it is one of the 1 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 2.5 and Inception: Mercury 2 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00012 on Inception: Mercury 2.5's raw per-token rates; a heavy session with a 50K-token document costs about $0.003. On CoreAI you don't juggle these numbers — one subscription covers Inception: Mercury 2.5 and 300+ other models under a plan usage limit, with no API keys. See plans.
Inception: Mercury 2.5 handles 260K tokens of context — roughly 195,000 words, or about 390 pages of text in one conversation.
Inception: Mercury 2.5's underlying rates are $0.04 per 1M input tokens and $0.15 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 2.5 is text-only. If you need image understanding, its budget-tier peers with vision are listed in the comparison table above.
Yes. Inception: Mercury 2.5 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 2.5 in the model selector, and chat — no API key, no per-token billing. One subscription covers Inception: Mercury 2.5 and 300+ other models.
The closest alternatives on CoreAI are Inception: Mercury 2, Nex AGI: Nex-N2.5-Mini (free), IBM: Granite 4.0 Micro — 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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