Gemini 2.5 Flash

Deprecated

Output: text only. Audio input priced higher: input $0.30 (text/image/video) / $1.00 (audio); cached input $0.03 (text/image/video) / $0.10 (audio) per 1M tokens (values shown are text/image/video tier). Deprecations page: released 2025-06-17, shutdown 2026-10-16, replacement gemini-3.5-flash. Still callable as of 2026-06-28. Latest update June 2025. Replacement re-verified first-party 2026-07-31: Google's deprecations table (Gemini 2.5 Flash models) now names gemini-3.6-flash as the recommended replacement, shutdown October 16, 2026 (release June 17, 2025). Corrected here from gemini-3.5-flash, which this row carried until today — the migration target CHANGED upstream.

Gemini 2.5 Flash by Google costs $0.3 per 1M input tokens and $2.50 per 1M output tokens ($0.85/1M blended), with a 1.0M (1.048.576-token) context window. It is deprecated, shutting down 16 Oct 2026; the recommended replacement is Gemini 3.6 Flash.

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

Lifecycle warning

This model is deprecated. Scheduled shutdown: 16 Oct 2026. Recommended migration: Gemini 3.6 Flash.

Read the Gemini 2.5 Flash migration guide → replacement & cheapest alternatives

Provider
Google
Status
Deprecated
Input price
$0.3 / 1M tokens
Output price
$2.50 / 1M tokens
Cached input
$0.03 / 1M tokens
Blended price
$0.85 / 1M tokens
Context window
1.048.576 tokens (1.0M)
Max output
65.536 tokens
Modality
text, image, video, audio
Open weights
No — API only
Knowledge cutoff
2025-01
Released
17 Jun 2025
API string
gemini-2.5-flash

Source: Google official documentation ↗

FAQ

Gemini 2.5 Flash — questions & answers

How much does Gemini 2.5 Flash cost?

Gemini 2.5 Flash is priced at $0.3 per 1M input tokens and $2.50 per 1M output tokens ($0.85/1M blended at a 3:1 input-to-output ratio), with cached input at $0.03 per 1M tokens.

What is the context window of Gemini 2.5 Flash?

Gemini 2.5 Flash has a 1.048.576-token context window (1.0M), with up to 65.536 output tokens per request.

Is Gemini 2.5 Flash being deprecated or retired?

Gemini 2.5 Flash is deprecated. Its scheduled shutdown date is 16 Oct 2026. The recommended migration is Gemini 3.6 Flash.

Does Gemini 2.5 Flash support image or vision input?

Yes — Gemini 2.5 Flash accepts image input. Listed modalities: text, image, video, audio.

Can I self-host Gemini 2.5 Flash?

No — Gemini 2.5 Flash is proprietary. Its weights are not publicly released, so it is available only through Google's API (or hosted partners), not for self-hosting.

What is the API model string for Gemini 2.5 Flash?

The API model identifier for Gemini 2.5 Flash is "gemini-2.5-flash" when calling Google's API.

What is Gemini 2.5 Flash's knowledge cutoff?

Gemini 2.5 Flash's training knowledge cutoff is Jan 2025.