Claude Sonnet 4.6 vs Nano Banana 2 Lite
Pricing, benchmarks, and use case comparison
Quick take
- •Claude Sonnet 4.6 is meaningfully stronger at long context (90 vs 0 on our capability index).
- •Nano Banana 2 Lite is open-weights (free to self-host); Claude Sonnet 4.6 is paid API only.
Specs comparison
| Claude Sonnet 4.6 | Nano Banana 2 Lite | |
|---|---|---|
| Provider | Anthropic | |
| Type | Closed source | Closed source |
| Context window | ✓1M | Not announced |
| Input / 1M tokens | $3.00 | ✓Not announced |
| Output / 1M tokens | $15.00 | 33.6 |
| Release date | 2026-02 | 2026-06 |
Benchmarks
| Benchmark | Claude Sonnet 4.6 | Nano Banana 2 Lite |
|---|---|---|
| SWE-bench Verified | 79.6% | - |
| Terminal-Bench 2.0 | 59.1% | - |
| OSWorld-Verified | 72.5% | - |
| GPQA | 79.7% | - |
| 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 |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Claude Sonnet 4.6 if...
- →You have an existing integration pinned to Sonnet 4.6 and want stability
- →You need a proven mid-tier model with 1M context at $3/$15
- →You want predictable behavior without the new-tokenizer/thinking changes in Sonnet 5
- →You are cost-sensitive and don't need Sonnet 5's incremental gains
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