Longterm Wiki

Gemini 2.5 Flash

Google DeepMind

Gemini 2.5 Flash was previewed May 20, 2025 at Google I/O as a cost-efficient reasoning model. Featured hybrid reasoning with a toggleable thinking budget, 1M token context window, and multimodal capabilities. Priced at \$0.15/\$0.60 per million tokens. Designed to bring 2.5 Pro reasoning quality to Flash-tier pricing.

Developer
Google DeepMind
Released
2025-05-20
Context Window
1M tokens

Pricing

TypePrice per MTok
Input$0.15
Output$0.6

Gemini Family5

ModelTierReleasedInput $/MTok
Gemini 2.5 Propro2025-03-25$1.25
Gemini 2.0 Flashflash2024-12-11$0.1
Gemini 1.5 Flashflash2024-05-24$0.075
Gemini 1.5 Propro2024-02-15$1.25
Gemini 1.0 Ultraultra2024-02-08

Details

Model FamilyGemini
Tierflash
Generation2.5
Release Date2025-05-20
Context Window1M tokens

Capabilities5

reasoningtool-usevisionaudio-inputlong-context

Sources1

Tags

geminigooglereasoningcost-efficient