Claude Sonnet 5 vs GPT-5.6 Terra
Claude Sonnet 5 is cheaper on output tokens ($10 vs $12 per 1M), and GPT-5.6 Terra has the larger context window (1.1M). The best choice depends on your task — and with Vincony you don't have to pick just one.
| Spec | Claude Sonnet 5 | GPT-5.6 Terra |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context window | 1M | 1.1M |
| Input price /1M | $2 | $2 |
| Output price /1M | $10 | $12 |
| Input | text, image, file | file, image, text |
Prices are per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ. Highlighted cells mark the cheaper price / larger context.
Frequently asked questions
Is Claude Sonnet 5 or GPT-5.6 Terra cheaper?
Claude Sonnet 5 is cheaper on output tokens ($10 vs $12 per 1M). Input is $2 vs $2.
Which has a bigger context window, Claude Sonnet 5 or GPT-5.6 Terra?
GPT-5.6 Terra has the larger context window at 1.1M tokens, versus 1M for the other.
Can I use both Claude Sonnet 5 and GPT-5.6 Terra in one place?
Yes. Vincony aggregates 800+ models — including Claude Sonnet 5 and GPT-5.6 Terra — into one interface with Compare Chat, so you can send the same prompt to both and compare outputs side by side on a single credit-based plan.