LLM Comparison

GLM 5 Turbo vs GPT-5.6 Luna

Side-by-side specs, pricing & capabilities · Updated September 2026

Price vs Intelligence

8070615242$0.49$1.21$1.94$2.66$3.38Avg Price per M tokensIntelligenceGLM 5 Turbo69.5 / $2.60GPT-5.6 Luna52.3 / $0.70

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2/6 models
Same tier:
 Z.aiGLM 5 TurboOpenAIGPT-5.6 Luna
OrganizationZ.aiZ.aiOpenAIOpenAI
OpenTools Score
70
26.7
52
74.7
FamilyGLMGPT-5.6
StatusCurrentCurrent
Release DateMar 2026Jul 2026
Context Window203K tokens1.1M tokens
Input Price$1.20/M tokens$0.20/M tokens
Output Price$4.00/M tokens$1.20/M tokens
Pricing NotesCache read: $0.2400/M tokensOpenAI pricing page lists $1 input and $6 output per 1M tokens, plus GPT-5.6 cache-write and cache-read pricing.
Capabilities
textcode
textvisionreasoningcodingtool-useweb-searchfile-searchcomputer-useagents
Training Cutoff—Feb 16, 2026
Max Output131K tokens128K tokens
API Identifierz-ai/glm-5-turbogpt-5.6-luna
Benchmarks
GPQA Diamond
84.7475artificial-analysis
91.1111artificial-analysis
Artificial Analysis Intelligence Index—
51artificial-analysis
Artificial Analysis Coding Agent Index—
74.6artificial-analysis
Artificial Analysis Intelligence Index v4.3—
37.5048artificial-analysis
SciCode—
53.588artificial-analysis
Terminal-Bench 2.1—
80.8989artificial-analysis
 View GLM 5 TurboView GPT-5.6 Luna

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
GPT-5.6 LunaCheapest$0.20$0.60$0.80—
GLM 5 Turbo$1.20$2.00$3.20+300%

Z.ai

GLM 5 Turbo

GLM 5 Turbo is a large language model from Z.ai. Supports up to 202,752 token context window. Available from $1.20/M input tokens.

OpenAI

GPT-5.6 Luna

GPT-5.6 Luna is OpenAI lower-cost GPT-5.6 model for high-volume reasoning, coding, and agentic workloads. OpenAI model docs list the same 1.05M token context window, 128K max output, and major tool support as the larger GPT-5.6 variants.

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