Comprehensive side-by-side LLM comparison
GLM-4.6 leads with 50.2% higher average benchmark score. GLM-4.6 offers 176.1K more tokens in context window than GPT-3.5 Turbo. GPT-3.5 Turbo is $0.60 cheaper per million tokens. GLM-4.6 supports multimodal inputs. Overall, GLM-4.6 is the stronger choice for coding tasks.
Zhipu AI
GLM-4.6 was introduced as an enhanced iteration of the GLM-4 series, designed to provide improved capabilities in bilingual language understanding and generation. Built to incorporate refinements to the GLM architecture, it represents continued advancement in Zhipu AI's model development.
OpenAI
GPT-3.5 Turbo was developed as an optimized version of GPT-3.5, designed to provide a balance of capability and efficiency for conversational and completion tasks. Built to serve as a cost-effective option for applications requiring reliable language understanding and generation, it became widely adopted for chatbots, content generation, and general-purpose AI assistance.
2 years newer

GPT-3.5 Turbo
OpenAI
2023-03-21
GLM-4.6
Zhipu AI
2025-09-30
Cost per million tokens (USD)
GLM-4.6

GPT-3.5 Turbo
Context window and performance specifications
Average performance across 1 common benchmarks
GLM-4.6

GPT-3.5 Turbo
GPT-3.5 Turbo
2021-09-30
Available providers and their performance metrics
GLM-4.6
DeepInfra
ZeroEval

GPT-3.5 Turbo
GLM-4.6

GPT-3.5 Turbo
GLM-4.6

GPT-3.5 Turbo
Azure
OpenAI