LLM Reference

GLM-5 Turbo vs GPT-5.4-Cyber

GLM-5 Turbo (2026) and GPT-5.4-Cyber (2026) are frontier-tier reasoning models from Zhipu AI and OpenAI. GLM-5 Turbo ships a 200k-token context window, while GPT-5.4-Cyber ships a not-yet-sourced context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

GPT-5.4-Cyber is safer overall; choose GLM-5 Turbo when provider fit matters.

Decision scorecard

Local evidence first
SignalGLM-5 TurboGPT-5.4-Cyber
Best forreasoning-heavy apps, tool-calling agents, and provider-routed productionreasoning-heavy apps and multimodal apps
Decision fitRAG, Agents, and Long contextVision
Context window200k
Cheapest output$4/1M tokens-
Provider routes2 tracked0 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GLM-5 Turbo when...
  • GLM-5 Turbo has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GLM-5 Turbo has broader tracked provider coverage for fallback and route flexibility.
  • GLM-5 Turbo uniquely exposes JSON / Tool use and Structured outputs in local model data.
  • Local decision data tags GLM-5 Turbo for RAG, Agents, and Long context.
Choose GPT-5.4-Cyber when...
  • GPT-5.4-Cyber uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags GPT-5.4-Cyber for Vision.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

GLM-5 Turbo

$1,960

Cheapest tracked route/tier: OpenRouter

GPT-5.4-Cyber

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

GLM-5 Turbo -> GPT-5.4-Cyber
  • No overlapping tracked provider route is sourced for GLM-5 Turbo and GPT-5.4-Cyber; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for JSON / Tool use and Structured outputs before moving production traffic.
  • GPT-5.4-Cyber adds Vision and Multimodal in local capability data.
GPT-5.4-Cyber -> GLM-5 Turbo
  • No overlapping tracked provider route is sourced for GPT-5.4-Cyber and GLM-5 Turbo; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.
  • GLM-5 Turbo adds JSON / Tool use and Structured outputs in local capability data.

Specs

Specification
Released2026-03-012026-04-14
Context window200k
Parameters744B total, 40B active
ArchitectureMixture of ExpertsDecoder Only
LicenseMITOSI-approvedProprietary
OpennessOpen sourceProprietary
WeightsUnknownNot released
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: conditional
Knowledge cutoff2025-112025-08

Pricing and availability

Pricing attributeGLM-5 TurboGPT-5.4-Cyber
Input price$1.20/1M tokens-
Output price$4/1M tokens-
Providers-

Capabilities

CapabilityGLM-5 TurboGPT-5.4-Cyber
VisionNoYes
MultimodalNoYes
ReasoningYesYes
JSON / Tool useYesNo
Structured outputsYesNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.