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ModelCap

Model decision surface

Compare AI models

Start with LongCat Flash Thinking 2601 and o3, 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 Thinking 2601 vs o3

Live dataset updated 9/9/2026, 10:25:31 PM UTC

Open 1200×630 evidence receipt
Factual comparison of LongCat Flash Thinking 2601 and o3
Field
o3

OpenAI

ModelCap position#46#47
Index score61.161.0
EvidenceEstimatedglobal-corpus-prior over 183 held-out anchors (11%); launch card against 4 resolved peers on 3 rows (89%); exceeds every named peer on 1 of 3 rows; optimism haircut 0.15 from cross-lab-probe; shrunk 0.9 toward the measured corpusMeasured3 public benchmark observations across 3 boards
Input / 1MUnavailable$2.00
Output / 1MUnavailable$8.00
Pricing statusunavailablefresh
Context200K
Providers01
Weight accessOpen weightsAPI only

Decision facts

  • LongCat Flash Thinking 2601 is #46; o3 is #47 on the same current language board.
  • Index scores are 61.1 for LongCat Flash Thinking 2601 and 61.0 for o3. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
  • Evidence differs: LongCat Flash Thinking 2601 is Estimated; o3 is Measured.
  • Weight access differs: LongCat Flash Thinking 2601 is open; o3 is none.
  • ModelCap currently lists 0 providers for LongCat Flash Thinking 2601 and 1 for o3.

These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.

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.