Comprehensive side-by-side LLM comparison
o1 mini offers 61.4K more tokens in context window than GLM-4.5 Air. GLM-4.5 Air is $5.40 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
Zhipu AI
GLM-4.5 Air is a lightweight variant from Zhipu AI's GLM-4 model family, designed for efficient deployments requiring lower inference cost while maintaining strong language understanding and generation capabilities. It targets cost-sensitive production workloads, API integrations, and applications where the full GLM-4.x series capacity exceeds requirements.
OpenAI
OpenAI o1 mini, released by OpenAI in September 2024, is a lightweight reasoning model from the o1 family optimized for efficient STEM problem-solving at lower cost and latency. It features a 128K token context window and applies chain-of-thought reasoning specifically tuned for mathematics, science, and coding tasks. o1 mini targets use cases where rapid, cost-efficient reasoning is preferred over the broader capabilities of the full o1 model.
10 months newer

o1 mini
OpenAI
2024-09-12
GLM-4.5 Air
Zhipu AI
2025-07-28
Cost per million tokens (USD)
GLM-4.5 Air
o1 mini
Context window and performance specifications
Available providers and their performance metrics
GLM-4.5 Air
Zhipu AI
o1 mini
GLM-4.5 Air
o1 mini
GLM-4.5 Air
o1 mini
OpenAI