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Mercury 2.5 pricing

$0.04 per 1M input tokens and $0.15 per 1M output tokens. In real work that is 0.09¢ per chat answer and 0.08¢ to summarize a 20-page PDF.

Input / 1M$0.04
Output / 1M$0.15
Cached input / 1M$0.004
Chat answer0.09¢
Context260K
Quality-

What Mercury 2.5 costs per task

Token counts estimated from a measured model of the same lab (DeepSeek V4.1 Flash), rescaled by tokenizer. Reasoning tokens are billed as output.

TaskCostTokens usedPrice rankBasis
Answer a chat question
0.09¢$0.95 / 1,000
63 in · 834 out · 5,461 reasoning99 of 336estimated
Reply to a customer email
0.03¢$0.31 / 1,000
271 in · 218 out · 1,749 reasoning79 of 336estimated
Write a 1,500-word blog post
0.04¢$0.45 / 1,000
78 in · 2,167 out · 809 reasoning8 of 336estimated
Write 10 product descriptions
0.04¢$0.41 / 1,000
298 in · 845 out · 1,842 reasoning11 of 336estimated
Translate 1,000 words
0.18¢$1.80 / 1,000
1,316 in · 1,377 out · 10,291 reasoning96 of 336estimated
Proofread one page (500 words)
0.04¢$0.42 / 1,000
725 in · 641 out · 1,954 reasoning37 of 336estimated
Summarize a 20-page PDF
0.08¢$0.80 / 1,000
12,606 in · 415 out · 1,565 reasoning12 of 336estimated
Extract data from an invoice
0.04¢$0.45 / 1,000
383 in · 436 out · 2,436 reasoning44 of 336estimated
Analyze a 200-row spreadsheet
≥0.26¢$2.59 / 1,000
4,666 in · 0 out · 16,000 reasoning26 of 336estimated
Answer from 5 retrieved documents (RAG)
0.07¢$0.70 / 1,000
3,592 in · 629 out · 3,102 reasoning30 of 336estimated
Classify 100 support tickets
0.08¢$0.79 / 1,000
1,259 in · 448 out · 4,462 reasoning21 of 336estimated
Review 500 lines of code
≥0.26¢$2.59 / 1,000
4,666 in · 0 out · 16,000 reasoning30 of 336estimated
Write a SQL query
0.03¢$0.32 / 1,000
140 in · 394 out · 1,723 reasoning19 of 336estimated
Run a 50-step coding agent
2.7¢$26.84 / 1,000
2,172,612 in · 14,565 out · 87,450 reasoning9 of 336modeled

Price at every provider

List prices per 1M tokens (input / output) at each host serving Mercury 2.5 through OpenRouter today. Hosts can differ in quantization, context and speed.

ProviderInput / outputCached inputContextUptime
I
Inceptionunknown
$0.04 / $0.15$0.004260K100%

Price history

First seen in our price history on Sep 14, 2026 at $0.04 input / $0.15 output. The list price has not changed since.

$0$0.043$0.086$0.13$0.17Sep 2026Sep 2026Oct 2026Oct 2026Oct 2026
Output per 1MInput per 1M

FAQ

How much does Mercury 2.5 cost?

Mercury 2.5 costs $0.04 per 1 million input tokens and $0.15 per 1 million output tokens, with cached input at $0.004 (list price on Oct 18, 2026). In practice one chat answer costs about 0.09¢ and summarizing a 20-page PDF about 0.08¢.

Where is Mercury 2.5 cheapest?

Among 1 providers we track, the lowest list price today is at Inception: $0.04 input and $0.15 output per 1M tokens.

Does Mercury 2.5 charge for reasoning tokens?

Yes. Reasoning (thinking) tokens are billed as output tokens. That is why the cost per task can be much higher than the visible answer suggests - our task costs include them.

Is the Mercury 2.5 cost per task measured or estimated?

Estimated: Mercury 2.5 was not run directly. Tokens come from DeepSeek V4.1 Flash and are rescaled by the tokenizer of Inception. Real usage can differ.