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Claude Haiku 4.5 vs DeepSeek V3.1 Terminus
List-price comparison · Claude Haiku 4.5 details · DeepSeek V3.1 Terminus details
For a typical workload (100,000 requests / mo), DeepSeek V3.1 Terminus costs 78% less — $70.40/mo vs $320.00/mo.
| Claude Haiku 4.5 | DeepSeek V3.1 Terminus | |
|---|---|---|
| Input / 1M tokens | $1.00 | $0.270 |
| Output / 1M tokens | $5.00 | $0.950 |
| Typical request (1,200 in + 400 out) | $0.0032 | $0.0007 |
| Context window | 200k tokens | 163,840 tokens |
| Max output | 64k tokens | 32,768 tokens |
| Tier | Flash | Flash |
| Provider | Anthropic | DeepSeek |
Projected monthly cost
1,000 requests / month$3.20 vs $0.70410,000 requests / month$32.00 vs $7.04100,000 requests / month$320.00 vs $70.40
Rows open both models in the calculator — adjust volume and token counts there.
Claude Haiku 4.5
Very low latency for high-volume, simple tasks — classification, short summaries, and lightweight chat where response time matters more than depth.
Noticeably weaker on multi-step reasoning and long-context synthesis; pairing with a larger model for escalation is common.
DeepSeek V3.1 Terminus
Auto-synced from OpenRouter — no editorial write-up yet.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.