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Head-to-head comparison

Gemma 4 31B vs LongCat 2.0

Gemma 4 31B (Google) 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 9 September 2026

As of 9 September 2026, LongCat 2.0 holds the stronger ModelCap Index position (#10 vs #27); Gemma 4 31B is 3.5× cheaper per output token ($0.34/1M vs $1.20/1M); and LongCat 2.0 offers the longer context window (1M vs 262K tokens).

Which should you choose?

Choose Gemma 4 31B if…

  • API cost matters — $0.34/1M output tokens against $1.20/1M, about 3.5× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.09/1M against $0.30/1M.
  • you want provider choice — 13 listed API providers against 1.

Choose LongCat 2.0 if…

  • you want the stronger overall ModelCap Index position — #10 against #27 (79.0 vs 69.7 points).
  • you need the longer context window — 1M tokens against 262K.
  • you want the more recently listed model — LongCat 2.0 was listed 20 July 2026, Gemma 4 31B 2 April 2026.

Gemma 4 31B vs LongCat 2.0: specs, pricing and context

Specification comparison of Gemma 4 31B and LongCat 2.0
FieldGemma 4 31BGoogleLongCat 2.0Meituan
ModelCap Index position#27#10
Index score69.779.0
EvidenceMeasuredEstimated
Input price / 1M tokens$0.09$0.30
Output price / 1M tokens$0.34$1.20
Context window262K tokens1M tokens
Max output tokens16K262K
API providers listed131
Weight accessOpen weightsOpen weights
Input modalitiesImage, Text, VideoText
First listed2 April 202620 July 2026
PublisherGoogleMeituan

Evidence: 3 public benchmark observations across 3 boards · global-corpus-prior over 182 held-out anchors (7%); launch card against 4 resolved peers on 6 rows (93%); no cross-lab optimism probe available; shrunk 2 toward the measured corpus. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Gemma 4 31B vs LongCat 2.0

Public benchmark boards where Gemma 4 31B or LongCat 2.0 has a published result
BoardGemma 4 31BLongCat 2.0Leads
Arena codingArena (LMArena)14991484–1514—Only one result
AA Terminal-Bench 2.1Artificial Analysis29.2%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Gemma 4 31B (Non-reasoning)":reasoning=false—Only one result
AA τ²-Bench TelecomArtificial Analysis65.5%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Gemma 4 31B (Non-reasoning)":reasoning=false—Only one result
AA Humanity's Last ExamArtificial Analysis11.8%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Gemma 4 31B (Non-reasoning)":reasoning=false—Only one result
WildClawBench OpenClawWildClawBench37.6—Only one result

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.

Gemma 4 31B vs LongCat 2.0: common questions

Is Gemma 4 31B better than LongCat 2.0?

LongCat 2.0 ranks higher on the ModelCap Index as of 9 September 2026: #10 against #27. 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. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Gemma 4 31B cheaper than LongCat 2.0?

Gemma 4 31B is cheaper on output tokens: $0.34/1M against $1.20/1M. Input tokens are $0.09/1M for Gemma 4 31B and $0.30/1M for LongCat 2.0. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.35 for Gemma 4 31B versus $1.20 for LongCat 2.0. Gemma 4 31B costs 70.8% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, Gemma 4 31B or LongCat 2.0?

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

Which is better for coding, Gemma 4 31B 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 Gemma 4 31B and LongCat 2.0 open-weight models?

Gemma 4 31B: 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 Gemma 4 31B and LongCat 2.0?

ModelCap currently lists 13 API providers for Gemma 4 31B 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 Gemma 4 31B vs LongCat 2.0 comparison?

Every figure comes from the sealed ModelCap dataset published 9 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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