Nano Banana 2 Lite vs GPT-5.5 Instant
Pricing, benchmarks, and use case comparison
Quick take
- •GPT-5.5 Instant is meaningfully stronger at speed (92 vs 9).
- •Nano Banana 2 Lite is open-weights (free to self-host); GPT-5.5 Instant is paid API only.
Specs comparison
| Nano Banana 2 Lite | GPT-5.5 Instant | |
|---|---|---|
| Provider | OpenAI | |
| Type | Closed source | Closed source |
| Context window | Not announced | ✓1050000 |
| Input / 1M tokens | ✓Not announced | 5.00 |
| Output / 1M tokens | 33.6 | 30.00 |
| Release date | 2026-06 | 2026-05 |
Benchmarks
| Benchmark | Nano Banana 2 Lite | GPT-5.5 Instant |
|---|---|---|
| Arena.ai Text-to-Image Leaderboard | Ranked #5 | - |
| Text-to-Image Elo Score | 1251 | - |
| Single-Image Editing Elo Score | 1308 | - |
| Multiple-Image Editing Elo Score | 1294 | - |
| AIME 2025 | - | 81.2 |
| Terminal-Bench 2.0 | - | 82.7 |
| FrontierMath Tier 1–3 | - | 51.7 |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Nano Banana 2 Lite if...
- →When cost-per-sample is the primary constraint
- →For workflows requiring 100+ images per session
- →When generation latency must be under 5 seconds
- →For rapid prototyping and exploration
Choose GPT-5.5 Instant if...
- →Interactive chat and everyday assistant tasks where responsiveness matters most
- →High-volume, latency-sensitive workloads that do not need deep reasoning
- →General questions, drafting, and summarization at speed