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Claude 3.5 Haiku vs Claude Haiku 4.5
List-price comparison · Claude 3.5 Haiku details · Claude Haiku 4.5 details
For a typical workload (100,000 requests / mo), Claude 3.5 Haiku costs 20% less — $256.00/mo vs $320.00/mo.
| Claude 3.5 Haiku | Claude Haiku 4.5 | |
|---|---|---|
| Input / 1M tokens | $0.800 | $1.00 |
| Output / 1M tokens | $4.00 | $5.00 |
| Typical request (1,200 in + 400 out) | $0.0026 | $0.0032 |
| Context window | 200k tokens | 200k tokens |
| Max output | 8,192 tokens | 64k tokens |
| Tier | Balanced | Flash |
| Provider | Anthropic | Anthropic |
Projected monthly cost
1,000 requests / month$2.56 vs $3.2010,000 requests / month$25.60 vs $32.00100,000 requests / month$256.00 vs $320.00
Rows open both models in the calculator — adjust volume and token counts there.
Claude 3.5 Haiku
Auto-synced from OpenRouter — no editorial write-up yet.
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.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.