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Head-to-head comparison

G9v3 39A5B vs LongCat 2.0

G9v3 39A5B (Ai9stars) 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 20 August 2026

As of 20 August 2026, G9v3 39A5B holds the stronger ModelCap Index position (#53 vs #54).

Which should you choose?

Choose G9v3 39A5B if…

  • you want the stronger overall ModelCap Index position — #53 against #54 (48.9 vs 48.5 points).
  • Artificial Analysis Intelligence Index is your yardstick — 34.0 against 34.0.
  • you want the more recently listed model — G9v3 39A5B was listed 21 July 2026, LongCat 2.0 20 July 2026.

Choose LongCat 2.0 if…

  • you want provider choice — 1 listed API providers against 0.

G9v3 39A5B vs LongCat 2.0: specs, pricing and context

Specification comparison of G9v3 39A5B and LongCat 2.0
FieldG9v3 39A5BAi9starsLongCat 2.0Meituan
ModelCap Index position#53#54
Index score48.948.5
EvidenceMeasuredMeasured
Input price / 1M tokensUnlisted$0.30
Output price / 1M tokensUnlisted$1.20
Context window— tokens1M tokens
Max output tokens—262K
API providers listed01
Weight accessOpen weightsOpen weights
Input modalitiesTextText
First listed21 July 202620 July 2026
PublisherAi9starsMeituan

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: G9v3 39A5B vs LongCat 2.0

Public benchmark boards where G9v3 39A5B or LongCat 2.0 has a published result
BoardG9v3 39A5BLongCat 2.0Leads
Artificial Analysis Intelligence IndexArtificial Analysis34.0intelligence-index34.0intelligence-indexG9v3 39A5B

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.

G9v3 39A5B vs LongCat 2.0: common questions

Is G9v3 39A5B better than LongCat 2.0?

G9v3 39A5B ranks higher on the ModelCap Index as of 20 August 2026: #53 against #54. 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 G9v3 39A5B cheaper than LongCat 2.0?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, G9v3 39A5B or LongCat 2.0?

Both publish a —-token context window.

Which is better for coding, G9v3 39A5B or LongCat 2.0?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are G9v3 39A5B and LongCat 2.0 open-weight models?

G9v3 39A5B: Open weights. 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 G9v3 39A5B and LongCat 2.0?

ModelCap currently lists 0 API providers for G9v3 39A5B 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 G9v3 39A5B vs LongCat 2.0 comparison?

Every figure comes from the sealed ModelCap dataset published 20 August 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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