Claude Opus 4.7 vs GPT-5.6 Terra: Which AI Model in 2026?
Claude Opus 4.7 (Anthropic) vs GPT-5.6 Terra (OpenAI): a side-by-side comparison of price, provider, availability, and payment. Both run on 97AI.PRO through one API — typically well below official rates, with USDC/Alipay/card and no charge for failed jobs.
Side by side
| Claude Opus 4.7 | GPT-5.6 Terra | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Type | Chat | Chat |
| Price on 97AI | $1.4963 per million tokens | $3.528 per million tokens |
| Official price | $5 per million tokens | $12 per million tokens |
| Savings vs official | 70% | 71% |
| Payment | USDC · Card · Alipay | USDC · Card · Alipay |
| Works in China / no card | Yes | Yes |
Verdict
Both Claude Opus 4.7 and GPT-5.6 Terra run through 97AI's single API with USDC, card, or Alipay — and both cost $0 on failed generations. On price, Claude Opus 4.7 is the lower-cost option at $1.4963 per million tokens (70% below Anthropic's official rate), while GPT-5.6 Terra runs $3.528 per million tokens. Pick Claude Opus 4.7 for cost-sensitive volume; choose GPT-5.6 Terra if its output quality better fits your use case. You can test both on one balance without committing to either provider.
Frequently asked
Is Claude Opus 4.7 or GPT-5.6 Terra cheaper?+
On 97AI.PRO, Claude Opus 4.7 is $1.4963 per million tokens and GPT-5.6 Terra is $3.528 per million tokens. Both are billed only on success and are typically well below the providers' official prices.
Can I use both Claude Opus 4.7 and GPT-5.6 Terra with one account?+
Yes. 97AI.PRO exposes both through a single unified API and one credit balance — switch models by changing one field, no separate signups or provider contracts.
How do I pay without a credit card?+
Both models accept USDC (Arbitrum) and Alipay in addition to credit cards, so you can use them from China, LATAM, and other regions where international cards fail.
Do failed generations cost money?+
No — for both Claude Opus 4.7 and GPT-5.6 Terra, only successful output is charged.