GPT-6.1 Terra: OpenAI halves API prices, targets computer use and everyday writing
vista8 · x · 2026-10-27
vista8 reviewed OpenAI's official notes on GPT-6.1 Terra, positioned as the cost-effective daily workhorse:
- Key numbers: API prices cut 50% vs GPT-5.6 Terra / GPT-6.1 Sol; 3x+ faster than Astra and Sol; per-task cost about 1/9 of Claude Opus 5.5; pricing at $1/M input, $0.05/M cached, $5/M output.
- Best for: computer use, form filling, drafting emails/documents, routine code edits.
- Pros: cheap, fast, token-efficient, fewer hallucinations (53.6% → 16.7% at low reasoning), more prompt-injection resistant.
- Cons: weak on hardest coding tasks (Terminal-Bench 50.3%), 16.7% error rate at low reasoning, stricter safety refusals.
Related event: OpenAI Launches GPT-6.1 Terra for Cheaper, Faster Computer Use(49 posts)→
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