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Head-to-head comparison

Gemma 4 31B vs GLM 5 Turbo

Gemma 4 31B (Google) and GLM 5 Turbo (Z.ai) 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 18 August 2026

As of 18 August 2026, Gemma 4 31B holds the stronger ModelCap Index position (#30 vs #39); Gemma 4 31B is 11.8× cheaper per output token ($0.34/1M vs $4.00/1M); Gemma 4 31B offers the longer context window (262K vs 203K tokens); and Gemma 4 31B ships open weights.

Which should you choose?

Choose Gemma 4 31B if…

  • you want the stronger overall ModelCap Index position — #30 against #39 (60.0 vs 53.9 points).
  • API cost matters — $0.34/1M output tokens against $4.00/1M, about 11.8× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.10/1M against $1.20/1M.
  • you need the longer context window — 262K tokens against 203K.
  • you want to self-host: Gemma 4 31B ships open weights while GLM 5 Turbo is api only.
  • you want provider choice — 16 listed API providers against 1.
  • WildClawBench OpenClaw is your yardstick — 37.6 against 33.9.
  • you want the more recently listed model — Gemma 4 31B was listed 2 April 2026, GLM 5 Turbo 15 March 2026.

Choose GLM 5 Turbo if…

  • Artificial Analysis Intelligence Index is your yardstick — 39.1 against 29.7.

Gemma 4 31B vs GLM 5 Turbo: specs, pricing and context

Specification comparison of Gemma 4 31B and GLM 5 Turbo
FieldGemma 4 31BGoogleGLM 5 TurboZ.ai
ModelCap Index position#30#39
Index score60.053.9
EvidenceMeasuredMeasured
Input price / 1M tokens$0.10$1.20
Output price / 1M tokens$0.34$4.00
Context window262K tokens203K tokens
Max output tokens262K131K
API providers listed161
Weight accessOpen weightsAPI only
Input modalitiesImage, Text, VideoText
First listed2 April 202615 March 2026
PublisherGoogleZ.ai

Evidence: 5 public benchmark observations across 5 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Gemma 4 31B vs GLM 5 Turbo

Public benchmark boards where Gemma 4 31B or GLM 5 Turbo has a published result
BoardGemma 4 31BGLM 5 TurboLeads
Arena codingArena (LMArena)14991483–1514—Only one result
LMArena AgentLMArena-18.9%-21.7%–-16.0%—Only one result
WildClawBench OpenClawWildClawBench37.633.9Gemma 4 31B
Artificial Analysis Intelligence IndexArtificial Analysis29.7intelligence-index39.1intelligence-indexGLM 5 Turbo

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 GLM 5 Turbo: common questions

Is Gemma 4 31B better than GLM 5 Turbo?

Gemma 4 31B ranks higher on the ModelCap Index as of 18 August 2026: #30 against #39. 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 Gemma 4 31B cheaper than GLM 5 Turbo?

Gemma 4 31B is cheaper on output tokens: $0.34/1M against $4.00/1M. Input tokens are $0.10/1M for Gemma 4 31B and $1.20/1M for GLM 5 Turbo. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Gemma 4 31B or GLM 5 Turbo?

Gemma 4 31B has the larger context window: 262K tokens against 203K.

Which is better for coding, Gemma 4 31B or GLM 5 Turbo?

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 GLM 5 Turbo open-weight models?

Gemma 4 31B: Open weights. GLM 5 Turbo: API only. 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 GLM 5 Turbo?

ModelCap currently lists 16 API providers for Gemma 4 31B and 1 for GLM 5 Turbo, 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 GLM 5 Turbo comparison?

Every figure comes from the sealed ModelCap dataset published 18 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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