Gemini 2.5 Pro
legacyGoogle · Frontier
First Gemini with native thinking/reasoning. Context-tiered: $1.25/$10 ≤200K, $2.50/$15 beyond.
- Strengths
- First Gemini with native reasoning, at a low entry-tier price.
- Best for
- Reasoning tasks on a budget within the Gemini family.
- Limitations
- Older generation; pricing scales up beyond a 200K context.
Input / 1M
$1.25
Output / 1M
$10.00
Cached input / 1M
$0.125
Context window
1M
Where it sits
11th-cheapest frontier model
by blended $/Mtok among 24 listed frontier models
5% below the frontier median
blended $/Mtok across 24 frontier models
Output costs 8× input
$1.25 in / $10.00 out per 1M
Cached input saves 90%
$0.125 vs $1.25 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 | $1.25 | $10.00 | $0.125 | ≤200K context tier; cached-input cut (in/out unchanged), bracketed by Wayback captures 2025-10-05 ($0.3125) → 2025-10-09 ($0.125) | ai.google.dev/gemini-api/docs/pricing |
| 17 Jun 2025 | $1.25 | $10.00 | $0.3125 | ≤200K context tier; launch cached rate confirmed via Wayback capture 2025-06-21 ($0.31/MTok displayed, $0.625 for >200K) | ai.google.dev/gemini-api/docs/pricing |