Gemini 2.5 Pro
Long-context flagship.
Specs
- Provider
- Family
- Gemini
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- Input price
- $1.25 / 1M
- Output price
- $10 / 1M
- Modalities
- text, image, audio, video
- License
- proprietary
- Released
- Mar 25, 2025
- Training cutoff
- Jan 1, 2025
Estimated footprint
Per single text prompt (token-scaled rows assume ~1,000 tokens).
Footprint numbers are rough public estimates that vary by 10–100× across sources and depend on data-centre efficiency and local grid mix. They are shown as a low–high band with a source and date. Don't treat them as measured fact.
Energy
≈ 0.9 Wh
range 0.3–2.5 Wh
~6 s of a 9 W LED bulb
Scaled estimate from Google Flash disclosure · low confidence
Water
≈ 1 mL
range 0.3–2.8 mL
~0.0 s of a shower
Scaled estimate from Google Flash disclosure · low confidence
CO₂e
≈ 0.12 g
range 0.04–0.35 g
~1 m driven in a petrol car
Scaled estimate from Google Flash disclosure · low confidence
Metric sources
| Metric | Low–Mid–High | Basis | Confidence | As of | Source |
|---|---|---|---|---|---|
| co2 | 0.04 · 0.12 · 0.35 g | per prompt | low | Aug 21, 2025 | Scaled estimate from Google Flash disclosure |
| energy | 0.3 · 0.9 · 2.5 Wh | per prompt | low | Aug 21, 2025 | Scaled estimate from Google Flash disclosure |
| water | 0.3 · 1 · 2.8 mL | per prompt | low | Aug 21, 2025 | Scaled estimate from Google Flash disclosure |
Changelog
- Oct 6, 2026Seeded into PromptLedger reference library.