AI Model Watch
Deprecations / Migrate

Migrate off Gemini 2.5 Flash

Deprecated

Gemini 2.5 Flash is deprecated and shuts down on 1 Dec 2026. Google's official replacement is Gemini 3.5 Flash-Lite. The cheapest comparable model we track is Llama 4 Scout (17B-16E Instruct) (Meta) at $0.15 per 1M tokens blended.

Last verified: 13 Nov 2026 · sourced from official provider documentation

StatusDeprecatedGoogle
Shutdown date1 Dec 2026deprecated 2 Nov 2026
Official replacementGemini 3.5 Flash-Lite$0.85 /M blendedCheapest alternativeLlama 4 Scout (17B-16E Instruct)$0.15 /M blended
What changes

Gemini 2.5 Flash → Gemini 3.5 Flash-Lite

Moving to Gemini 3.5 Flash-Lite means about the same blended price.

SpecGemini 2.5 FlashGemini 3.5 Flash-Lite
StatusDeprecatedGA
Blended price /1M$0.85$0.85
Input / output /1M$0.3 / $2.50$0.3 / $2.50
Context window1.0M1.0M
Max output65.53665.536
Modalitytext, image, video, audiotext, image, video, audio, pdf
Knowledge cutoffJan 2025—

API string was gemini-2.5-flash → switch to gemini-3.5-flash-lite. See Gemini 3.5 Flash-Lite's full spec sheet →

Cheapest alternatives

Budget-friendly replacements for Gemini 2.5 Flash

Generally-available models that match Gemini 2.5 Flash's capabilities (and at least half its 1.0M context), ranked by blended price. Every number is computed from official catalog prices.

ModelBlended /1MInput / outputContext
Llama 4 Scout (17B-16E Instruct)
Meta
$0.15$0.1 / $0.310M
Gemini 2.5 Flash-Lite
Google
$0.175$0.1 / $0.41.0M
Qwen3.5-Flash
Alibaba
$0.175$0.1 / $0.41M
FAQ

Migrating off Gemini 2.5 Flash

What replaces Gemini 2.5 Flash?

Google's recommended migration for Gemini 2.5 Flash is Gemini 3.5 Flash-Lite. The cheapest comparable model in our catalog is Llama 4 Scout (17B-16E Instruct) (Meta) at $0.15/1M blended.

When is Gemini 2.5 Flash shut down?

Gemini 2.5 Flash is deprecated and scheduled to shut down on 1 Dec 2026 (deprecated 2 Nov 2026). Migrate before that date to avoid a 404.

What is the cheapest alternative to Gemini 2.5 Flash?

Llama 4 Scout (17B-16E Instruct) (Meta) is the cheapest generally-available alternative we track that matches Gemini 2.5 Flash's capabilities, at $0.1 per 1M input and $0.3 per 1M output tokens ($0.15/1M blended).

Browse the full deprecation watch → or see Gemini 2.5 Flash's full spec sheet →