Model decision surface
Compare AI models
Start with DeepSeek V3.1 Terminus and LongCat Flash Chat, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.
Current public data
DeepSeek V3.1 Terminus vs LongCat Flash Chat
Live dataset updated 9/13/2026, 2:40:29 PM UTC
Open 1200×630 evidence receipt| Field | DeepSeek V3.1 Terminus DeepSeek | LongCat Flash Chat Meituan Longcat |
|---|---|---|
| ModelCap position | #65 | #67 |
| Index score | 53.8 | 53.7 |
| Evidence | Measured3 public benchmark observations across 3 boards | Estimatedglobal-corpus-prior over 186 held-out anchors (9%); launch card against 4 resolved peers on 12 rows (91%); exceeds every named peer on 2 of 12 rows; optimism haircut 0 from cross-lab-probe; shrunk 0.1 toward the measured corpus |
| Input / 1M | $0.27 | Unavailable |
| Output / 1M | $1.00 | Unavailable |
| Pricing status | fresh | unavailable |
| Context | 164K | — |
| Providers | 4 | 0 |
| Weight access | Open weights | Open weights |
Decision facts
- DeepSeek V3.1 Terminus is #65; LongCat Flash Chat is #67 on the same current language board.
- Index scores are 53.8 for DeepSeek V3.1 Terminus and 53.7 for LongCat Flash Chat. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
- Evidence differs: DeepSeek V3.1 Terminus is Measured; LongCat Flash Chat is Estimated.
- ModelCap currently lists 4 providers for DeepSeek V3.1 Terminus and 0 for LongCat Flash Chat.
These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.
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Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.