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Mercury 2.5API
Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception.
Prices update automatically — checked daily against provider list prices.
- $0.07 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 98% of the 227 commercial models tracked here
Benchmarks & performance
Independent benchmark scores for Mercury 2.5, measured by Artificial Analysis. Higher is better.
Models at this level cost $0.45 per 1M tokens (median of 33) — this one costs $0.07.
Cheaper and better on this index: Ling 3.0 Flash VL · Ling 3.0 Flash Fin · Ling 3.0 Flash and 1 more
About this model
Mercury 2.5 is a commercial AI model by Inception. The specifications below are tracked automatically: pricing is refreshed daily from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is Mercury 2.5?
Mercury 2.5 is an AI language model from Inception. It is a proprietary model, available through an API. It scores 12.3 on the Artificial Analysis intelligence index.
Is Mercury 2.5 free?
Mercury 2.5 is not free: it costs $0.04 per million input tokens and $0.15 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Mercury 2.5 good at?
Independent benchmarks from Artificial Analysis give it Humanity's Last Exam 11.8%, Long Context Reasoning 71.7%, SciCode 38.5%.
How fast is Mercury 2.5?
It generates about 788 tokens per second, with a median 2.93s delay before the first token. Measured independently by Artificial Analysis.