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ModelCap

Head-to-head comparison

Grok 4.7 vs GLM 5.3

Grok 4.7 (xAI) and GLM 5.3 (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 22 September 2026

As of 22 September 2026, Grok 4.7 holds the stronger ModelCap Index position (#4 vs #10); GLM 5.3 is 1.7× cheaper per output token ($2.86/1M vs $4.80/1M); and GLM 5.3 offers the longer context window (1.3M vs 500K tokens).

Which should you choose?

Choose Grok 4.7 if…

  • you want the stronger overall ModelCap Index position — #4 against #10 (84.9 vs 82.3 points).
  • AA Intelligence Index is your yardstick — 46.4 against 44.8.
  • AA Humanity's Last Exam is your yardstick — 43.1% against 42.3%.
  • you want the more recently listed model — Grok 4.7 was listed 21 September 2026, GLM 5.3 18 August 2026.

Choose GLM 5.3 if…

  • API cost matters — $2.86/1M output tokens against $4.80/1M, about 1.7× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.91/1M against $1.60/1M.
  • you need the longer context window — 1.3M tokens against 500K.
  • you want provider choice — 30 listed API providers against 1.
  • Terminal-Bench 4.0 is your yardstick — 41.8% against 37.6%.

Grok 4.7 vs GLM 5.3: specs, pricing and context

Specification comparison of Grok 4.7 and GLM 5.3
FieldGrok 4.7xAIGLM 5.3Z.ai
ModelCap Index position#4#10
Index score84.982.3
EvidenceMeasuredMeasured
Input price / 1M tokens$1.60$0.91
Output price / 1M tokens$4.80$2.86
Context window500K tokens1.3M tokens
Max output tokens450K131K
API providers listed130
Weight accessAPI onlyRestricted license
Input modalitiesText, Image, FileText
First listed21 September 202618 August 2026
PublisherxAIZ.ai

Evidence: 1 public benchmark observation across 1 board · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Grok 4.7 vs GLM 5.3

Public benchmark boards where Grok 4.7 or GLM 5.3 has a published result
BoardGrok 4.7GLM 5.3Leads
Arena codingArena (LMArena)—15241512–1536MaxOnly one result
LMArena AgentLMArena—3.1%2.4%–3.7%MaxOnly one result
AA Intelligence IndexArtificial Analysis46.4intelligence-index:v4.3:xhigh44.8intelligence-index:v4.3:maxGrok 4.7
AA Humanity's Last ExamArtificial Analysis43.1%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Grok 4.7 (xhigh)":reasoning=true42.3%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="GLM-5.3 (max)":reasoning=trueGrok 4.7
Terminal-Bench 4.0Terminal-Bench (Laude Institute)37.6%34.0%–41.1%Grok Build · X-High41.8%38.6%–45.1%Claude Code · MaxGLM 5.3

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.

Grok 4.7 vs GLM 5.3: common questions

Is Grok 4.7 better than GLM 5.3?

Grok 4.7 ranks higher on the ModelCap Index as of 22 September 2026: #4 against #10. 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 Grok 4.7 cheaper than GLM 5.3?

GLM 5.3 is cheaper on output tokens: $2.86/1M against $4.80/1M. Input tokens are $1.60/1M for Grok 4.7 and $0.91/1M for GLM 5.3. 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 $5.60 for Grok 4.7 versus $3.25 for GLM 5.3. GLM 5.3 costs 42.0% 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, Grok 4.7 or GLM 5.3?

GLM 5.3 has the larger context window: 1.3M tokens against 500K.

Which is better for coding, Grok 4.7 or GLM 5.3?

Terminal-Bench 4.0: Grok 4.7 37.6%, GLM 5.3 41.8% — GLM 5.3 leads.

Are Grok 4.7 and GLM 5.3 open-weight models?

Grok 4.7: API only. GLM 5.3: Restricted license. 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 Grok 4.7 and GLM 5.3?

ModelCap currently lists 1 API provider for Grok 4.7 and 30 for GLM 5.3, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Grok 4.7 vs GLM 5.3 comparison?

Every figure comes from the sealed ModelCap dataset published 22 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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