ModelRefs / Claude 3.5 Haiku vs Claude 3.5 Sonnet
Claude 3.5 Haiku vs Claude 3.5 Sonnet
Claude 3.5 Haiku vs Claude 3.5 Sonnet: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Claude 3.5 Haiku: Claude 3.5 Haiku is Anthropic's fast, low-cost model from late 2024, built for high-volume work such as classification, extraction and routing across a 200,000-token context window. The claude-3-5-haiku-20241022 snapshot was deprecated on 19 December 2025 and retired on Anthropic-operated platforms on 19 February 2026, with Claude Haiku 4.5 named as its replacement.
Claude 3.5 Sonnet: Claude 3.5 Sonnet is Anthropic's mid-2024 balanced model, the release that introduced computer use and anchored Anthropic's agentic-coding positioning for its generation across a 200,000-token context window. It is now retired: Anthropic deprecated both the claude-3-5-sonnet-20240620 and claude-3-5-sonnet-20241022 snapshots on 13 August 2025 and retired them on 28 October 2025 on Anthropic-operated platforms, naming Claude Sonnet 5.5 as the replacement.
Context window: Claude 3.5 Haiku accepts up to 200,000 tokens, Claude 3.5 Sonnet up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Claude 3.5 Haiku vs Claude 3.5 Sonnet at a glance
| Attribute | Claude 3.5 Haiku | Claude 3.5 Sonnet |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Released | 2024-11-04 | 2024-06-20 |
| Context window | 200,000 tokens | 200,000 tokens |
| Input price | $0.8/M tokens | $3/M tokens |
| Output price | $4/M tokens | $15/M tokens |
| Licence | Proprietary | Proprietary |
| Self-hostable | No, hosted only | No, hosted only |
| Modalities | text | text, vision |
Where they differ most
- Cost Efficiency: Claude 3.5 Haiku 65%, Claude 3.5 Sonnet 37%. Claude 3.5 Haiku leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Claude 3.5 Haiku vs Claude 3.5 Sonnet.
Frequently asked questions
Which is better, Claude 3.5 Haiku or Claude 3.5 Sonnet?
Claude 3.5 Haiku and Claude 3.5 Sonnet target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Claude 3.5 Haiku cheaper than Claude 3.5 Sonnet?
Compare $0.00080 vs $0.00300 on this page.