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Head-to-head comparison

KAT-Coder-Pro V2 vs LongCat 2.0

KAT-Coder-Pro V2 (Kuaishou) and LongCat 2.0 (Meituan) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 3 September 2026

As of 3 September 2026, LongCat 2.0 holds the stronger ModelCap Index position (#54 vs #57); LongCat 2.0 offers the longer context window (1M vs 262K tokens); and LongCat 2.0 ships open weights.

Which should you choose?

Choose KAT-Coder-Pro V2 if…

  • AA Terminal-Bench 2.1 is your yardstick — 70.0% against 50.2%.

Choose LongCat 2.0 if…

  • you want the stronger overall ModelCap Index position — #54 against #57 (47.2 vs 46.3 points).
  • you need the longer context window — 1M tokens against 262K.
  • you want to self-host: LongCat 2.0 ships open weights while KAT-Coder-Pro V2 is api only.
  • AA Intelligence Index is your yardstick — 34.0 against 33.7.
  • AA Humanity's Last Exam is your yardstick — 33.7% against 16.1%.
  • you want the more recently listed model — LongCat 2.0 was listed 20 July 2026, KAT-Coder-Pro V2 27 March 2026.

KAT-Coder-Pro V2 vs LongCat 2.0: specs, pricing and context

Specification comparison of KAT-Coder-Pro V2 and LongCat 2.0
FieldKAT-Coder-Pro V2KuaishouLongCat 2.0Meituan
ModelCap Index position#57#54
Index score46.347.2
EvidenceMeasuredMeasured
Input price / 1M tokens$0.30$0.30
Output price / 1M tokens$1.20$1.20
Context window262K tokens1M tokens
Max output tokens144K262K
API providers listed11
Weight accessAPI onlyOpen weights
Input modalitiesTextText
First listed27 March 202620 July 2026
PublisherKuaishouMeituan

Evidence: 1 public benchmark observation across 1 board · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: KAT-Coder-Pro V2 vs LongCat 2.0

Public benchmark boards where KAT-Coder-Pro V2 or LongCat 2.0 has a published result
BoardKAT-Coder-Pro V2LongCat 2.0Leads
AA Intelligence IndexArtificial Analysis33.7intelligence-index34.0intelligence-indexLongCat 2.0
AA Terminal-Bench 2.1Artificial Analysis70.0%terminal-bench-2.150.2%terminal-bench-2.1KAT-Coder-Pro V2
AA τ²-Bench TelecomArtificial Analysis89.5%tau2-bench-telecom—Only one result
AA Humanity's Last ExamArtificial Analysis16.1%humanitys-last-exam33.7%humanitys-last-examLongCat 2.0

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

KAT-Coder-Pro V2 vs LongCat 2.0: common questions

Is KAT-Coder-Pro V2 better than LongCat 2.0?

LongCat 2.0 ranks higher on the ModelCap Index as of 3 September 2026: #54 against #57. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is KAT-Coder-Pro V2 cheaper than LongCat 2.0?

Both list the same output price, $1.20/1M tokens, with input at $0.30/1M and $0.30/1M respectively.

Which has the bigger context window, KAT-Coder-Pro V2 or LongCat 2.0?

LongCat 2.0 has the larger context window: 1M tokens against 262K.

Which is better for coding, KAT-Coder-Pro V2 or LongCat 2.0?

AA Terminal-Bench 2.1: KAT-Coder-Pro V2 70.0%, LongCat 2.0 50.2% — KAT-Coder-Pro V2 leads.

Are KAT-Coder-Pro V2 and LongCat 2.0 open-weight models?

KAT-Coder-Pro V2: API only. LongCat 2.0: Open weights. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run KAT-Coder-Pro V2 and LongCat 2.0?

ModelCap currently lists 1 API provider for KAT-Coder-Pro V2 and 1 for LongCat 2.0, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this KAT-Coder-Pro V2 vs LongCat 2.0 comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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