Model decision surface
Compare AI models
Start with LongCat Flash Chat and Mistral Medium 3.5, 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
LongCat Flash Chat vs Mistral Medium 3.5
Live dataset updated 9/15/2026, 9:19:37 PM UTC
Open 1200×630 evidence receipt| Field | LongCat Flash Chat Meituan Longcat | Mistral Medium 3.5 Mistral AI |
|---|---|---|
| ModelCap position | #65 | #63 |
| Index score | 54.3 | 55.9 |
| Evidence | Estimatedglobal-corpus-prior over 194 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 0.2 toward the measured corpus | Measured4 public benchmark observations across 4 boards |
| Input / 1M | Unavailable | $1.50 |
| Output / 1M | Unavailable | $7.50 |
| Pricing status | unavailable | fresh |
| Context | — | 262K |
| Providers | 0 | 1 |
| Weight access | Open weights | API only |
Decision facts
- LongCat Flash Chat is #65; Mistral Medium 3.5 is #63 on the same current language board.
- Index scores are 54.3 for LongCat Flash Chat and 55.9 for Mistral Medium 3.5. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
- Evidence differs: LongCat Flash Chat is Estimated; Mistral Medium 3.5 is Measured.
- Weight access differs: LongCat Flash Chat is open; Mistral Medium 3.5 is none.
- ModelCap currently lists 0 providers for LongCat Flash Chat and 1 for Mistral Medium 3.5.
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.