DeepSeek V3.1 Terminus (Reasoning)
AI model by DeepSeek. Real-time pricing and benchmark data.
Benchmarks
Editorial Analysis
Profile. DeepSeek V3.1 Terminus (Reasoning) is a budget-tier option from DeepSeek at $2.75/M output tokens. Despite the low price, it scores competitively on Coding Index (43.5) and Intelligence Index (31.4) — making it a candidate for high-volume production workloads where unit cost dominates.
Cost model. For a workload of 1M input tokens + 100K output tokens, DeepSeek V3.1 Terminus (Reasoning) costs $1.92 per million input-equivalent requests. Multiply by your monthly request volume to project the bill, and compare against the speed/correctness profile above to decide if the trade-off is worth it for your workload.
Editorial summary generated from public pricing and benchmark data (Artificial Analysis API). All numbers are sourced — see the Artificial Analysis methodology for benchmark definitions. Last refreshed 2026-08-24.
Compare with similar models
| Model | Input | Output | Speed |
|---|---|---|---|
DeepSeek V3.1 Terminus (Reasoning)Current | $1.64 | $2.75 | — |
| Nemotron 3 Ultra 550B A55B (Reasoning) | $0.60 | $2.75 | 146 tok/s |
| Llama 3 Instruct 70B | $0.65 | $2.75 | — |
| Qwen3 235B A22B (Non-reasoning) | $0.70 | $2.80 | 59 tok/s |
| Apertus 70B Instruct | $0.82 | $2.92 | — |
| LongCat 2.0 | $0.75 | $2.95 | 44 tok/s |