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GLM 5 vs o3 Pro
Comprehensive side-by-side LLM comparison
o3 Pro offers 95.9K more tokens in context window than GLM 5. GLM 5 is $96.64 cheaper per million tokens. o3 Pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-5 is a large language model from Zhipu AI with 745 billion total parameters and 44 billion active parameters per inference, designed for agentic intelligence, advanced reasoning, and frontier-level performance. It features a 200K token context window and targets complex multi-step tasks requiring sustained reasoning and tool use. GLM-5 is available via Zhipu AI's Z.ai platform under an MIT license.
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OpenAI
OpenAI o3-pro, released by OpenAI in June 2025, is an extended reasoning model from the o3 family that applies more compute per response to deliver deeper, more thorough answers on complex problems. It features a 200K token context window, 100K maximum output tokens, and vision capabilities. o3-pro targets research-grade reasoning tasks, extended coding sessions, and applications where accuracy on difficult problems justifies higher inference cost and latency.
8 months newer
o3 Pro
OpenAI
2025-06-10
GLM 5
Zhipu AI
2026-02-11
Pricing Comparison
Cost per million tokens (USD)
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GLM 5
Input:$0.80
Output:$2.56($96.64 cheaper)
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o3 Pro
Input:$20.00
Output:$80.00
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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GLM 5
1 providers
Zhipu AI
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o3 Pro
1 providers
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GLM 5
Avg Score:0.0%
Providers:1
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o3 Pro
Avg Score:0.0%
Providers:1