Comprehensive side-by-side LLM comparison
Gemini 1.5 Pro leads with 34.2% higher average benchmark score. Gemini 1.5 Pro offers 2.1M more tokens in context window than GPT-3.5 Turbo. GPT-3.5 Turbo is $10.50 cheaper per million tokens. Gemini 1.5 Pro supports multimodal inputs. Overall, Gemini 1.5 Pro is the stronger choice for coding tasks.
Gemini 1.5 Pro was introduced as Google's advanced multimodal model with an expanded context window, designed to comprehend and reason across long documents, videos, and audio. Built to handle complex, information-rich tasks, it brought breakthrough capabilities in processing extended context while maintaining high-quality reasoning and generation.
OpenAI
GPT-3.5 Turbo was developed as an optimized version of GPT-3.5, designed to provide a balance of capability and efficiency for conversational and completion tasks. Built to serve as a cost-effective option for applications requiring reliable language understanding and generation, it became widely adopted for chatbots, content generation, and general-purpose AI assistance.
1 year newer

GPT-3.5 Turbo
OpenAI
2023-03-21

Gemini 1.5 Pro
2024-05-01
Cost per million tokens (USD)

Gemini 1.5 Pro

GPT-3.5 Turbo
Context window and performance specifications
Average performance across 8 common benchmarks

Gemini 1.5 Pro

GPT-3.5 Turbo
GPT-3.5 Turbo
2021-09-30
Gemini 1.5 Pro
2023-11-01
Available providers and their performance metrics

Gemini 1.5 Pro

GPT-3.5 Turbo

Gemini 1.5 Pro

GPT-3.5 Turbo

Gemini 1.5 Pro

GPT-3.5 Turbo
Azure
OpenAI