Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 22.8% higher average benchmark score. Gemini 2.5 Flash offers 920.6K more tokens in context window than o1-mini. Gemini 2.5 Flash is $12.20 cheaper per million tokens. Gemini 2.5 Flash supports multimodal inputs. Overall, Gemini 2.5 Flash is the stronger choice for coding tasks.
Gemini 2.5 Flash represents a continued evolution of Google's efficient multimodal models, designed to deliver enhanced capabilities while maintaining the performance characteristics valued in the Flash series. Built to serve high-throughput applications with improved quality, it advances the balance between speed and intelligence.
OpenAI
o1-mini was created as a faster, more cost-effective reasoning model, designed to bring extended thinking capabilities to applications with tighter latency and budget constraints. Built to excel particularly in coding and STEM reasoning while maintaining affordability, it provides a more accessible entry point to reasoning-enhanced AI assistance.
8 months newer

o1-mini
OpenAI
2024-09-12

Gemini 2.5 Flash
2025-05-20
Cost per million tokens (USD)

Gemini 2.5 Flash

o1-mini
Context window and performance specifications
Average performance across 1 common benchmarks

Gemini 2.5 Flash

o1-mini
Gemini 2.5 Flash
2025-01-31
Available providers and their performance metrics

Gemini 2.5 Flash
ZeroEval


Gemini 2.5 Flash

o1-mini

Gemini 2.5 Flash

o1-mini
o1-mini
Azure
OpenAI