Inception: Mercury

inception · Released Jun 26, 2025
DFO score #467 / 706
11.3 leaderboard score
Speed
– Not reported
Input Price #370 / 706
$0.250 per 1M tokens
Output Price #358 / 706
$0.750 per 1M tokens
Context #443 / 706
128,000 tokens

Analysis Summary

Inception Mercury is a text model with a 128K context window, tool use, and function calling. Its listed pricing is $0.25 per million input tokens and $0.75 per million output tokens. No benchmark results are provided, so its reasoning, coding, instruction following, and writing quality cannot be compared reliably with tested models.

The available product details make it a possible candidate for basic API workflows where tool access and a substantial context window matter. They do not establish dependable performance for client-facing content, software engineering, or autonomous multi-step work. Teams should test it against their own prompts and require human review before using its output in production.

Consider a limited pilot rather than making Mercury a default model. The pricing and context may suit moderate workloads, but the absence of benchmark evidence makes capability validation essential.

Assessed September 23, 2026

Editorial notes

Mercury offers a 128K context window, tool use, and function calling at moderate listed prices; the supplied data includes no benchmark results to establish its capability.

The DFO score ranks models on the Artificial Analysis Intelligence Index and is refreshed as new models launch. The write-up and verdict are our own. Feedback?

DFO Verdict

Mercury offers a 128K context window, tool use, and function calling at moderate listed prices; the supplied data includes no benchmark results to establish its capability.

#467 of 706 overall Down 4 this week

How Inception: Mercury compares

Its 128K-token context window is larger than 37% of the models we list. At $0.25 per million input tokens it is cheaper than 48% of comparable models.

Position in the field
DFO score: ahead of 34% of models #466
Price: cheaper than 48% of models #370
Context: larger than 37% of models #443
worst in fieldmedianbest in field
Price vs frontier peers · $ per 1M tokens
Inception: Mercury $0.25 in $0.75 out
Anthropic: Claude Opus 5.5 $4.00 in $20.00 out
Google: Gemini 4 Argon $2.00 in $10.00 out
Anthropic: Claude Fable 5.1 $10.00 in $50.00 out

Dark bar = input · light bar = output, scaled to the priciest peer.

Context window vs peers · tokens

1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.25 $0.000250
Output $0.75 $0.000750

What would Inception: Mercury cost your business?

Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.

A website chatbot handling around 100 customer conversations a day, a few short messages each.

3,000
One request is one message, email, draft or automation call.
1,200 tokens

$1.44/mo Inception: Mercury $0.0005 per request
$31.68/mo Anthropic: Claude Opus 5.5 $0.01 per request
$7.92/mo Google: Gemini 4 Argon (batch) · best value $0.0026 per request

Full calculator with 706 models → Price Calculator

DFO AI AUTOMATION

These numbers get smaller with the right architecture.

We route routine calls to cheap models and save Inception: Mercury for the hard ones. Most clients cut their estimate by 60-80%.

Talk to our team

About Inception: Mercury

Mercury is the first diffusion large language model (dLLM). Applying a breakthrough discrete diffusion approach, the model runs 5-10x faster than even speed optimized models like GPT-4.1 Nano and Claude..

Frequently asked questions about Inception: Mercury

How much does Inception: Mercury cost?

Inception: Mercury costs $0.25 per million input tokens and $0.75 per million output tokens.

What is the context window of Inception: Mercury?

Inception: Mercury has a context window of 128,000 tokens (128K).

What can Inception: Mercury do?

Inception: Mercury supports tool use and function calling.

Who created Inception: Mercury?

Inception: Mercury is developed by Inception and was released on June 26, 2025.

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