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Mercury 2API
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM).
Prices update automatically — checked daily against provider list prices.
- $0.38 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 87% of the 192 commercial models tracked here
Benchmarks & performance
Independent benchmark scores for Mercury 2, measured by Artificial Analysis. Higher is better.
Models at this level cost $0.76 per 1M tokens (median of 16) — this one costs $0.38.
Cheaper and better on this index: GLM 5.3 Flash · GPT-5.6 Luna (batch) · DeepSeek V4 Flash 0731 and 19 more
About this model
Mercury 2 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?
Mercury 2 is an AI language model from Inception. It is a proprietary model, available through an API. It scores 21.9 on the Artificial Analysis intelligence index.
Is Mercury 2 free?
Mercury 2 is not free: it costs $0.25 per million input tokens and $0.75 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Mercury 2 good at?
Independent benchmarks from Artificial Analysis give it GPQA 77%, Humanity's Last Exam 17.1%, Long Context Reasoning 40.7%, SciCode 38.7%, IFBench 69.8%, τ²-Bench 70.8%, τ-Bench Banking 9.5%, Terminal-Bench 27.3%, Terminal-Bench Hard 26.5%. It is particularly used for code generation.
How fast is Mercury 2?
It generates about 1204.9 tokens per second, with a median 3.71s delay before the first token. Measured independently by Artificial Analysis.