Gemini 2.5 Flash vs Gemini 2.5 Pro Preview 06-05 (Comparative Analysis)
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Comparative Analysis: Gemini 2.5 Flash vs. Gemini 2.5 Pro Preview 06-05
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Overview
Gemini 2.5 Pro Preview 06-05 was released 12 days before Gemini 2.5 Flash.
 Gemini 2.5 Flash | Gemini 2.5 Pro Preview 06-05 | |
|---|---|---|
Model Provider The organization behind this AI's development | Google | Google |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 65.5K tokens |
Release Date When this model first became publicly available | June 17, 2025 1 year ago June 17th, 2025 | June 5, 2025 1 year ago June 5th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | January 31, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Flash | Gemini 2.5 Pro Preview 06-05 | |
|---|---|---|
Input Types Supported input formats | 📁File🖼️Image📝Text🎵Audio🎬Video | 📁File🖼️Image📝Text🎵Audio |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Always enabled |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Gemini | Gemini |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation |
Pricing
Gemini 2.5 Flash is roughly 0.2x less expensive compared to Gemini 2.5 Pro Preview 06-05 for input tokens and roughly 0.3x less expensive for output tokens.
| Gemini 2.5 Flash | Gemini 2.5 Pro Preview 06-05 | |
|---|---|---|
Short Context Pricing Base rates before a long-context threshold applies | ||
Input Token Cost Cost per million input tokens | $0.30 per million tokens | $1.25 per million tokens |
Output Token Cost Cost per million output tokens | $2.50 per million tokens | $10.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | $0.014 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.03 per million tokens | $0.13 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $0.08 per million tokens | $0.38 per million tokens |
Reasoning Token Cost Cost for internal reasoning tokens | $2.50 per million tokens | $10.00 per million tokens |
Image Input Cost Additional cost for each image input | $0.0000003 per image | $0.00000125 per image |
Audio Input Cost Additional cost for audio input | $0.000001 per unit | $0.00000125 per unit |
Audio Cache Cost Cost to reuse cached audio input tokens | $0.10 per million tokens | $0.13 per million tokens |
Long Context Pricing Rates for prompts with 200,000 or more tokens | ||
Input Token Cost Long-context input cost per million tokens | Not specified | $2.50 per million tokens |
Output Token Cost Long-context output cost per million tokens | Not specified | $15.00 per million tokens |
Cache Read Cost Long-context cache read cost per million tokens | Not specified | $0.25 per million tokens |
Benchmarks
Compare relevant benchmarks between Gemini 2.5 Flash and Gemini 2.5 Pro Preview 06-05.
| Gemini 2.5 Flash | Gemini 2.5 Pro Preview 06-05 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,159 Elo (#67 in Data Viz (48.4% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Gemini 2.5 Flash and Gemini 2.5 Pro Preview 06-05 unique.
Gemini 2.5 Flash by Google understands both text and images, handles audio, analyzes video, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $0.30/M input and $2.50/M output tokens. Released June 17th, 2025.Gemini 2.5 Pro Preview 06-05 by Google understands both text and images, handles audio, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Released June 5th, 2025.Explore More Comparisons
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Compare Gemini 2.5 Pro Preview 06-05 with:
🚀Programming
Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
Multilingual translation tasks