Mercury 2.5 Benchmarks, Pricing & Rankings

Inception Labs · 2026-06-20 · Open · Current

Snapshot 2026-10-14 · updated weekly

Mercury 2.5 ranks #39 of 42 on the AMR leaderboard.

Mercury 2.5 benchmark scores

GPQA Diamond48.2%
MMLU-Pro47.5%
SWE-Bench Verified24.6%
AIME 202541.8%
LiveCodeBench v638.2%
Arena Elo1244

Mercury 2.5 price, speed & context

Input price

$0.10

per 1M tokens

Output price

$0.40

per 1M tokens

Speed

583

tok/s

Context

128K

tokens

About Mercury 2.5

Mercury 2.5 is a diffusion LLM: 583 tok/s median output with usable quality, built for drafting and classification at scale.

Models around Mercury 2.5 in the rankings

Mercury 2.5 FAQ

Where does Mercury 2.5 rank?

Mercury 2.5 ranks #39 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 62.0. Its strongest dimension is GPQA Diamond at 48.2%.

How much does Mercury 2.5 cost?

Mercury 2.5 costs $0.10 per million input tokens and $0.40 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $0.33 per million tokens.

What is the Mercury 2.5 context window?

Mercury 2.5 supports a 128K token context window and generates at a median 583 output tokens per second. That context fits roughly 85 standard documents in a single prompt.

Is Mercury 2.5 open source?

Yes — Mercury 2.5 ships open weights that you can download and self-host or serve through any compatible inference provider.

What is better than Mercury 2.5?

Clef 2 ranks one place higher at #38 with an AMR score of 67.2. Mercury 2.5 still wins 0 of the tracked dimensions head-to-head — check the comparison table to see exactly which.