Claude Instant 1.2 vs DeepSeek V3.1 Terminus
Anthropic Claude Instant 1.2 | DeepSeek DeepSeek V3.1 Terminus | |
|---|---|---|
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Aug 9 2023 | Sep 22 2025 |
| Access | Proprietary | Open Weight |
| Timeline | ||
| Release gap | Claude Instant 1.2 shipped 775 days before DeepSeek V3.1 Terminus | |
Which is better: Claude Instant 1.2 or DeepSeek V3.1 Terminus?
Claude Instant 1.2 and DeepSeek V3.1 Terminus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude Instant 1.2 shipped 775 days before DeepSeek V3.1 Terminus, so benchmark comparisons should account for the intervening progress.
Claude Instant 1.2 is proprietary, while DeepSeek V3.1 Terminus is open weight.
Direct benchmark comparisons are unavailable — Claude Instant 1.2 and DeepSeek V3.1 Terminus don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
DeepSeek V3.1 Terminus was released by DeepSeek on Sep 22 2025.
Claude Instant 1.2 is a proprietary model released by Anthropic. DeepSeek V3.1 Terminus is an open weight model released by DeepSeek.