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GPT-3.5 Turbo vs o3-pro
Comprehensive side-by-side LLM comparison
o3-pro offers 279.5K more tokens in context window than GPT-3.5 Turbo. GPT-3.5 Turbo is $98.00 cheaper per million tokens. o3-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-3.5 Turbo is a language model developed by OpenAI. The model shows competitive results across 8 benchmarks. Notable strengths include DROP (70.2%), MMLU (69.8%), HumanEval (68.0%). The model is available through 2 API providers.
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OpenAI
o3-pro is a multimodal language model developed by OpenAI. It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
2 years newer
GPT-3.5 Turbo
OpenAI
2023-03-21
o3-pro
OpenAI
2025-06-10
Pricing Comparison
Cost per million tokens (USD)
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GPT-3.5 Turbo
Input:$0.50
Output:$1.50($98.00 cheaper)
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o3-pro
Input:$20.00
Output:$80.00
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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GPT-3.5 Turbo
Average Score:42.3%(+42.3%)
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o3-pro
Average Score:0.0%
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Knowledge Cutoff
Training data recency comparison
GPT-3.5 Turbo
2021-09-30
o3-pro
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-3.5 Turbo
2 providers
Azure
Throughput: 90 tok/s
Latency: 0.8ms
OpenAI
Throughput: 100 tok/s
Latency: 0.5ms
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GPT-3.5 Turbo
Avg Score:42.3%(+42.3%)
Providers:2
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o3-pro
Avg Score:0.0%
Providers:1