Models/Mercury 2.5

Inception: Mercury 2.5

inception/mercury-2.5

Mercury 2.5 is Inception’s AI model, released Sep 8, 2026. It costs $0.20/M input and $0.75/M output tokens, and handles a 260K-token context window.

Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception.

Context

260K

Input

$0.20 / 1M

Output

$0.75 / 1M

Released

Sep 8, 2026

Modalities

text→text

Benchmarks

Scores on standardized evaluations. Higher is better — and rank shows where Mercury 2.5 lands among all models tracked on Model Beat.

No standardized benchmark scores from Epoch AI yet — common for very recent, image, or niche models. Scores appear here once published.

Mercury 2.5 (Inception) added to the tracker: $0.04/$0.15 per 1M, 260K context.tracked · Sep 8, 2026

What is Mercury 2.5?

Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception.

Who created Mercury 2.5?

Mercury 2.5 is an AI model developed by Inception, released Sep 8, 2026.

How much does Mercury 2.5 cost?

Mercury 2.5's list price from Inception is $0.20 per million input tokens and $0.75 per million output tokens.

What is Mercury 2.5's context window?

Mercury 2.5 supports a context window of up to 260K tokens.

Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Sep 10, 2026.