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Gemini 2.5 Pro vs GPT-3.5 Turbo
Comprehensive side-by-side LLM comparison
Gemini 2.5 Pro leads with 35.3% higher average benchmark score. Gemini 2.5 Pro offers 1.1M more tokens in context window than GPT-3.5 Turbo. GPT-3.5 Turbo is $9.25 cheaper per million tokens. Gemini 2.5 Pro supports multimodal inputs. Overall, Gemini 2.5 Pro is the stronger choice for coding tasks.
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Gemini 2.5 Pro is a multimodal language model developed by Google. It achieves strong performance with an average score of 69.6% across 16 benchmarks. It excels particularly in MRCR (93.0%), AIME 2024 (92.0%), Global-MMLU-Lite (88.6%). With a 1.1M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Google's latest advancement in AI technology.
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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.
2 years newer
GPT-3.5 Turbo
OpenAI
2023-03-21
Gemini 2.5 Pro
2025-05-20
Pricing Comparison
Cost per million tokens (USD)
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Gemini 2.5 Pro
Input:$1.25
Output:$10.00
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GPT-3.5 Turbo
Input:$0.50
Output:$1.50($9.25 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 22 common benchmarks
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Gemini 2.5 Pro
Average Score:50.6%(+35.3%)
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GPT-3.5 Turbo
Average Score:15.4%
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Knowledge Cutoff
Training data recency comparison
GPT-3.5 Turbo
2021-09-30
Gemini 2.5 Pro
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 2.5 Pro
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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Gemini 2.5 Pro
Avg Score:50.6%(+35.3%)
Providers:2
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GPT-3.5 Turbo
Avg Score:15.4%
Providers:2