Gemini 2.5 Flash
legacyGoogle · Released Jun 2025
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 Superseded by Gemini 3 Flash.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
Price history
Input (solid)Output (dashed)
Price change
- 30d
- in — out —
- 90d
- in — out —
- 1y
- in decreased 0.0% out decreased 0.0%
- Since launch
- in decreased 0.0% out 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 |