+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Gemini 2.5 Flash vs GPT-4o
Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 23.3% higher average benchmark score. Gemini 2.5 Flash offers 969.7K more tokens in context window than GPT-4o. Gemini 2.5 Flash is $9.70 cheaper per million tokens. 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
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
9 months newer
GPT-4o
OpenAI
2024-08-06
Gemini 2.5 Flash
2025-05-20
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
Gemini 2.5 Flash
Input:$0.30
Output:$2.50($9.70 cheaper)
+
+
+
+
GPT-4o
Input:$2.50
Output:$10.00
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
+
+
+
+
Gemini 2.5 Flash
Average Score:58.4%(+23.3%)
+
+
+
+
GPT-4o
Average Score:35.1%
Performance comparison across key benchmark categories
+
+
+
+
Gemini 2.5 Flash
Coding60.4%(+27.2%)
+
+
+
+
GPT-4o
Coding33.2%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
Gemini 2.5 Flash
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
Gemini 2.5 Flash
2 providers
Throughput: 85 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
+
+
+
+
+
+
+
+
Gemini 2.5 Flash
Avg Score:58.4%(+23.3%)
Providers:2
+
+
+
+
GPT-4o
Avg Score:35.1%
Providers:2