GPT-5.6 Sol vs Laguna XS 2.1
GPT-5.6 Sol leads on 1 of 1 benchmarks where both are measured. Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| GPT-5.6 Sol | Laguna XS 2.1 | |
|---|---|---|
| Company | OpenAI | Poolside |
| Released | Jul 2026 | Jul 2026 |
| Context window | 1.1M | 262K |
| Input /1M tokens | $5 | $0.06 |
| Output /1M tokens | — | $0.12 |
| Open weights | No | No |
Benchmarks
| Benchmark | GPT-5.6 Sol | Laguna XS 2.1 |
|---|---|---|
| GPQA | 95.2% | — |
| Hallucination Rate (lower is better) | 87.1% | — |
| SWE-bench Verified | 96.2% | 70.9% |
| Speed (tok/s) | 65 tok/s | — |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.