Inception: Mercury 2
Released Mar 4, 2026text→text
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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...
Best overall rank
#96
▼ 3 vs 7d ago
Total arena votes
21,591
Across 23 (subset, category) entries
Providers on OR
1
Inception
First seen
2026-05-08
72 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.250
- Output (per 1M)
- $0.750
- Cache Read (per 1M)
- $0.025
Capabilities
Modality
text->textContext
128K tokens
Tokenizer
Other
Max output
50K tokens
Moderation
Unmoderated
Supported parameters
include_reasoning
max_tokens
reasoning
reasoning_effort
response_format
stop
structured_outputs
temperature
tool_choice
tools
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Inception | inception | 128K | $0.250 | $0.750 | 99.97% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #166 | Non English | - | 1332 | 1,728 | |
| #178 | Coding | - | 1397 | 770 | |
| #179 | Multi Turn | - | 1345 | 539 | |
| #182 | Expert | - | 1348 | 229 | |
| #183 | Industry Software And It Services | - | 1385 | 1,090 | |
| #184 | Industry Entertainment And Sports And Media | - | 1313 | 657 | |
| #188 | English | - | 1365 | 1,391 | |
| #188 | Overall | - | 1347 | 3,119 | |
| #189 | Hard Prompts English | - | 1372 | 862 | |
| #190 | Hard Prompts | - | 1360 | 1,760 | |
| #194 | Exclude Ties | - | 1300 | 2,167 | |
| #194 | Industry Business And Management And Financial Operations | - | 1339 | 482 | |
| #196 | Instruction Following | - | 1323 | 837 | |
| #197 | Industry Medicine And Healthcare | - | 1345 | 228 | |
| #205 | Industry Writing And Literature And Language | - | 1311 | 692 | |
| #206 | Creative Writing | - | 1299 | 528 | |
| #214 | Russian | - | 1307 | 360 | |
| #224 | Longer Query | - | 1324 | 842 | |
| #237 | Industry Life And Physical And Social Science | - | 1323 | 470 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #83 | Webdev-react | - | 1153 | 846 | |
| #95 | Webdev | - | 1164 | 947 | |
| #96 | Overall | - | 1164 | 947 | |
| #96 | Webdev-html | - | 1207 | 100 |