Gemini 2.5 Flash
legacyGoogle · Mid
First Flash model with thinking. Flat pricing (no context tiers). Superseded by Gemini 3 Flash.
- Strengths
- First Flash with reasoning, at flat (non-tiered) pricing.
- Best for
- Budget reasoning at high volume.
- Limitations
- Older Flash generation; surpassed by Gemini 3 Flash.
Input / 1M
$0.3
Output / 1M
$2.50
Cached input / 1M
$0.03
Context window
1M
Where it sits
160th-cheapest mid model
by blended $/Mtok among 262 listed mid models
49% above the mid median
blended $/Mtok across 262 mid models
Output costs 8.3× input
$0.3 in / $2.50 out per 1M
Cached input saves 90%
$0.03 vs $0.3 per 1M fresh
Held flat since launch (Jun 2025)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Input (solid)Output (dashed)
Blended price change (3:1 I/O mix)
- 30d
- —
- 90d
- —
- 1y
- decreased 0.0%
- Since launch
- decreased 0.0%
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 9 Oct 2025 | $0.3 | $2.50 | $0.03 | Cached-input cut (in/out unchanged), bracketed by Wayback captures 2025-10-05 ($0.075) → 2025-10-09 ($0.03) | ai.google.dev/gemini-api/docs/pricing |
| 17 Jun 2025 | $0.3 | $2.50 | $0.075 | Launch cached rate confirmed via Wayback capture 2025-06-21 | ai.google.dev/gemini-api/docs/pricing |