I
Inception: Mercury 2
● Excellent8.1
/ 10
Mercury 2 is an extremely fast reasoning LLM, and the first reasoning diffusion LLM (dLLM). Instead of generating tokens sequentially, Mercury 2 produces and refines multiple tokens in parallel, achieving...
Specifications
| Attribute | Value |
|---|---|
| Lab | Inception |
| Tags | Fast Reasoning |
| Overall Score | 8.1/10 |
| Release Date | 2026-03 |
| Context Window | 128,000 tokens |
| Input Price / 1M | $0.25 |
| Output Price / 1M | $0.75 |
| Input Modalities | Text |
| Output Modalities | Text |
Strengths
- First reasoning diffusion LLM — parallel token generation
- Extremely fast inference via parallel refinement
- Novel architecture for reasoning tasks
- Competitive pricing
Weaknesses
- Experimental architecture with unknown edge cases
- Limited track record
- Narrower general knowledge vs traditional LLMs
Best For
- Latency-critical reasoning
- High-throughput classification
- Experimental LLM workflows
Sources & Further Reading
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Scores are aggregated from public benchmarks (MMLU, HumanEval, MATH, GSM8K, LMSYS) and normalized to a 1–10 scale. Methodology →