- Score
- 6.8 (+0.33 points)
- Total Cost (Current Price)
- $0.039 · 11.5% cheaper
- Response Time (avg)
- 6.66s · 12.6% faster
Inception
Release: 2026-09-08
Tested on: 2026-10-01 04:26
inception/mercury-2.5::high
~100BOtherClosedEstimated
Summary
Mercury 2.5 scores 6.5 on AI BENCHY and ranks #231. It has 9.8 reliability, a 59.4% pass rate, $0.044 total cost, and 7.62s average response time.
What makes Mercury 2.5 unique: It stands out most in Puzzle Solving, where it ranks #4, while Instructions following is its weakest area at #13.
Recommended alternatives
We recommend choosing this model instead:
Model facts
Researched on 2026-09-08
- Parameters
- ~100B
- Architecture
- Other
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. Inception identifies Mercury 2.5 as a diffusion LLM but does not disclose its parameter count or topology. The low-confidence 100B estimate follows the existing Mercury family records; it is not a vendor-reported count.
6.5
Consistency
8.7
9.8
$0.044
Total Output Tokens
193,676
Total Input Tokens
358,562
Input Price
$0.040 / 1M
Output Price
$0.150 / 1M
Cache Read Price
$0.004 / 1M
Cache Write Price
N/A
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
4
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#231 Mercury 2.5
high- Cost
- $0.001
- Time
- 3.5s
- Tokens
- 2,447 tok
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-10-01 18:33 | $0.040 / 1M | $0.150 / 1M | $0.004 / 1M | N/A |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Mercury 2.5highvsMercury 2.5 PreviewhighMercury 2.5highvsBeam 1.0 501B A23BxhighMercury 2.5highvsQwen3.6 35B A3BmediumMercury 2.5highvsGLM 5.3lowMercury 2.5highvsMinimax M3.1 FlashhighFree AvailableMercury 2.5highvsGLM 5.1noneMercury 2.5highvsClaude Sonnet 5.5mediumMercury 2.5highvsKAT-Coder-Pro V2.5highMercury 2.5highvsKAT-Coder-Pro V2.5lowMercury 2.5highvsGrok 4.3medium
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 3.9 | 9.6 | |
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 6.4 | 7.8 | |
| Combined | 6.4 | 5.8 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| General Intelligence | 5.0 | 10.0 | |
| Instructions following | 6.5 | 10.0 | |
| Puzzle Solving | 8.7 | 7.7 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |