Inception: Mercury 2.5

inception/mercury-2-5

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

Modalities
In / out per 1M$0.04 / $0.15
Context254K
ReleasedSep 8, 2026

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Inception$0.04$0.15$0.000.48s188 tps99.51%

Market-wide measurements, refreshed every 15 minutes. They describe who serves Mercury 2.5 in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what Mercury 2.5 costs pay-as-you-go elsewhere, not what you pay here.

Input
$0.04
per 1M tokens
Output
$0.15
per 1M tokens
Cache read
$0.00
per 1M cached tokens
Included in every pass
Mercury 2.5 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s20.0s40.0s60.0s80.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile
0 tok/s200 tok/s400 tok/s600 tok/s800 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 96.66%
Oct 16, 9:00 AMNow
Availability over the last 24 hoursAvailability 94.8%
100% 93% 87% 80%
Oct 18, 9:50 AMNow

Apps

Tools that most often run Mercury 2.5, by tokens this week.

Activity

185.8B tokens processed market-wide in the last month.

02.5B5.0B7.5B10.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens

FAQ

Which model id do I use for Mercury 2.5?
inception/mercury-2.5. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Mercury 2.5 hold?
260,000 tokens per request, of which up to 65,536 can be the response.
What can it accept and return?
Input: text. Output: text.
What does Mercury 2.5 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.04 per 1M input tokens and $0.15 per 1M output tokens.
Who built Mercury 2.5?
Inception, in the Mercury family.

Explore

Other models your pass can call.