+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
Gemini 1.5 Flash 8B vs Gemini 2.5 Flash
Comprehensive side-by-side LLM comparison
Gemini 2.5 Flash leads with 18.1% higher average benchmark score. Gemini 2.5 Flash offers 57.3K more tokens in context window than Gemini 1.5 Flash 8B. Gemini 1.5 Flash 8B is $2.43 cheaper per million tokens. Overall, Gemini 2.5 Flash is the stronger choice for coding tasks.
+
+
+
+
Gemini 1.5 Flash 8B was developed as an ultra-compact variant of Gemini 1.5 Flash, designed to deliver multimodal capabilities with minimal resource requirements. Built for deployment scenarios where efficiency is critical, it provides a lightweight option for applications requiring fast, cost-effective AI processing.
+
+
+
+
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.
1 year newer
Gemini 1.5 Flash 8B
2024-03-15
Gemini 2.5 Flash
2025-05-20
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
Gemini 1.5 Flash 8B
Input:$0.07
Output:$0.30($2.43 cheaper)
+
+
+
+
Gemini 2.5 Flash
Input:$0.30
Output:$2.50
Performance Metrics
Context window and performance specifications
Average performance across 4 common benchmarks
+
+
+
+
Gemini 1.5 Flash 8B
Average Score:46.9%
+
+
+
+
Gemini 2.5 Flash
Average Score:65.0%(+18.1%)
+
+
+
+
Knowledge Cutoff
Training data recency comparison
Gemini 1.5 Flash 8B
2024-10-01
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 1.5 Flash 8B
1 providers
Throughput: 150 tok/s
Latency: 0.3ms
+
+
+
+
Gemini 2.5 Flash
+
+
+
+
Gemini 1.5 Flash 8B
Avg Score:46.9%
Providers:1
+
+
+
+
Gemini 2.5 Flash
Avg Score:65.0%(+18.1%)
Providers:2