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GLM-4.5 Air vs o3
Comprehensive side-by-side LLM comparison
o3 leads with 9.6% higher average benchmark score. o3 offers 167.9K more tokens in context window than GLM-4.5 Air. GLM-4.5 Air is $49.90 cheaper per million tokens. o3 supports multimodal inputs. Overall, o3 is the stronger choice for coding tasks.
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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.
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OpenAI
OpenAI o3, released by OpenAI in April 2025, is a large reasoning model that applies extended chain-of-thought processing to deliver improved performance on complex math, science, and coding tasks. It features a 200K token context window and native image understanding, with demonstrated strong results on mathematics and software engineering benchmarks. o3 targets demanding analytical and engineering tasks where deliberate, multi-step reasoning produces significantly better outcomes than direct generation.
3 months newer
o3
OpenAI
2025-04-16
GLM-4.5 Air
Zhipu AI
2025-07-28
Pricing Comparison
Cost per million tokens (USD)
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GLM-4.5 Air
Input:$0.05
Output:$0.05($49.90 cheaper)
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o3
Input:$10.00
Output:$40.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GLM-4.5 Air
Average Score:34.0%
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o3
Average Score:43.6%(+9.6%)
Performance comparison across key benchmark categories
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GLM-4.5 Air
Tool Use34.0%
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o3
Tool Use43.6%(+9.6%)
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5 Air
1 providers
Zhipu AI
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o3
1 providers
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GLM-4.5 Air
Avg Score:34.0%
Providers:1
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o3
Avg Score:43.6%(+9.6%)
Providers:1