DeepSeek: DeepSeek V3.1 Terminus vs Inception: Mercury 2
DeepSeek: DeepSeek V3.1 Terminusdeepseek/deepseek-v3.1-terminusVS
Inception: Mercury 2inception/mercury-2Inception: Mercury 2 wins on more metrics (5 of 6), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | DeepSeek: DeepSeek V3.1 Terminus | Inception: Mercury 2 |
|---|---|---|
| Intelligence Index | 21.4 | 21.4 |
| Coding Index | — | 31.1✓ |
| GPQA Diamond | 75% | 77%✓ |
| Design Arena Elo | — | 1042✓ |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $0.270 | $0.250✓ |
| Output price /M | $1.00 | $0.750✓ |
| Context window | 164K✓ | 128K |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSON |
Frequently asked
Is DeepSeek: DeepSeek V3.1 Terminus better than Inception: Mercury 2?
Inception: Mercury 2 wins on more metrics (5 of 6), but the right pick depends on what you optimize for — see the breakdown below.
What are the biggest differences between DeepSeek: DeepSeek V3.1 Terminus and Inception: Mercury 2?
The table on this page compares DeepSeek: DeepSeek V3.1 Terminus and Inception: Mercury 2 metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.