Battle of the Models

Compare specific LLM models, context windows, and capabilities.

Gemini 1.5 Flash

A-TIER

Google AI Studio

Intelligence Score 85/100

Model Popularity 0 votes

Context Window 1M Context, 15 RPM

Pricing Model Free / Open

View Provider Analysis →

S-TIER

Google

Intelligence Score 91/100

Context Window 1M

Pricing Model Commercial / Paid

Model Popularity 0 votes

Commercial/Paid Model

FINAL VERDICT

With an intelligence score of 91/100 vs 85/100, Gemini 2.5 Flash outperforms Gemini 1.5 Flash by 6 points.

HEAD-TO-HEAD

Feature	Gemini 1.5 Flash	Gemini 2.5 Flash
Context Window	1M Context, 15 RPM	1M
Architecture	Transformer (Proprietary)	Transformer (Proprietary)
Est. MMLU Score	~80-84%	~85-87%
Release Date	Feb-May 2024	2024
Pricing Model	Free Tier	Paid / Commercial
Rate Limit (RPM)	5-30 RPM (varies by model)	2,000 RPM
Daily Limit	9000 RPD (Flash) / 25 RPD (3.1 Pro)	1,500 requests/day (free tier)
Capabilities	Multimodal	Vision Function Calling Streaming JSON Mode
Performance Tier	A-Tier (Excellent)	A-Tier (Excellent)
Speed Estimate	⚡ Very Fast	⚡ Very Fast
Primary Use Case	⚡ Fast Chat & Apps	⚡ Fast Chat & Apps
Model Size	~1.5T (estimated)	~1.5T (estimated)
Limitations	Data used for training (Unpaid tier) Rate limits are enforced per minute/day No SLA for free tier	API key required Rate limits vary by region
Key Strengths	Multimodal Capabilities Huge Context Window (up to 2M tokens) Fast Inference Speed	Low-latency High-volume tasks Reasoning capable