ModelRefs / Claude 3 Opus vs Claude 3 Haiku
Claude 3 Opus vs Claude 3 Haiku
Claude 3 Opus vs Claude 3 Haiku: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Claude 3 Haiku: Claude 3 Haiku is the speed-and-cost tier of Anthropic's original Claude 3 family, built for high-volume work such as customer support, document triage and many small tasks in parallel, with image input across a 200,000-token context window. Anthropic measured it at 21,000 tokens per second for prompts under 32,000 tokens. The claude-3-haiku-20240307 snapshot was deprecated on 19 February 2026 and retired on Anthropic-operated platforms on 20 April 2026, with Claude Haiku 4.5 as the replacement.
Claude 3 Opus: Claude 3 Opus is Anthropic's February 2024 frontier model and the most capable of the original Claude 3 family, accepting text and image input across a 200,000-token context window. The claude-3-opus-20240229 snapshot was deprecated on 30 June 2025 and retired on Anthropic-operated platforms on 5 January 2026, with Claude Opus 4.8 named as its replacement.
Context window: Claude 3 Haiku accepts up to 200,000 tokens, Claude 3 Opus up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Claude 3 Haiku vs Claude 3 Opus at a glance
| Attribute | Claude 3 Haiku | Claude 3 Opus |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Released | 2024-03-13 | 2024-02-29 |
| Context window | 200,000 tokens | 200,000 tokens |
| Input price | $0.25/M tokens | $15/M tokens |
| Output price | $1.25/M tokens | $75/M tokens |
| Licence | Proprietary | Proprietary |
| Self-hostable | No, hosted only | No, hosted only |
| Modalities | text, vision | text, vision |
Benchmarks reported for both
| Benchmark | Claude 3 Haiku | Claude 3 Opus | Reported |
|---|---|---|---|
| GPQA Diamond (accuracy) | 33.3 | 50.4 | 2024-03-04 |
Each row compares the same benchmark, the same reported metric, and the same task set. Scores are as published by their cited sources on the dates shown. Different runs still use different harnesses and prompts, so treat these as directional evidence rather than a head-to-head result.
Where they differ most
- Reasoning: Claude 3 Haiku 12%, Claude 3 Opus 38%. Claude 3 Opus 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 Opus vs Claude 3 Haiku.
Frequently asked questions
Which is better, Claude 3 Opus or Claude 3 Haiku?
Claude 3 Opus and Claude 3 Haiku target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Claude 3 Opus cheaper than Claude 3 Haiku?
Compare $0.0150 vs $0.00025 on this page.