Claude 3 OpusvsClaude 3.5 Haiku
Anthropic vs Anthropic — Side-by-side model comparison
Head-to-Head Comparison
| Metric | Claude 3 Opus | Claude 3.5 Haiku |
|---|---|---|
| Provider | ||
| Arena Rank | #7 | #12 |
| Context Window | 200K | 200K |
| Input Pricing | $15.00/1M tokens | $0.80/1M tokens |
| Output Pricing | $75.00/1M tokens | $4.00/1M tokens |
| Parameters | Undisclosed | Undisclosed |
| Open Source | No | No |
| Best For | Complex analysis, research, nuanced writing | Fast coding, data extraction, classification |
| Release Date | Mar 4, 2024 | Oct 29, 2024 |
Claude 3 Opus
Claude 3 Opus is Anthropic's most powerful model in the Claude 3 family, designed for the most complex analytical and creative tasks. It excels at nuanced writing, deep research analysis, and tasks requiring sophisticated reasoning across long documents. With a 200K context window and exceptional instruction-following abilities, Opus delivers the highest quality outputs in the Claude lineup, though at a premium price point reflecting its superior capabilities.
View Anthropic profile →Claude 3.5 Haiku
Claude 3.5 Haiku is Anthropic's fastest and most affordable model in the Claude 3.5 family, designed for high-throughput tasks that require quick, intelligent responses. Despite its speed, it delivers surprisingly strong performance on coding, data extraction, and classification tasks, often matching or exceeding larger models from competitors. With a 200K context window, it can process substantial documents while maintaining rapid response times, making it ideal for real-time applications and high-volume API use cases.
View Anthropic profile →Key Differences: Claude 3 Opus vs Claude 3.5 Haiku
Claude 3 Opus ranks higher in arena benchmarks (#7) indicating stronger overall performance.
Claude 3.5 Haiku is 18.8x cheaper on average, making it the better choice for high-volume applications.
When to use Claude 3 Opus
- +You need the highest quality output based on arena rankings
- +Quality matters more than cost
- +Your use case involves complex analysis, research, nuanced writing
When to use Claude 3.5 Haiku
- +Budget is a concern and you need cost efficiency
- +Your use case involves fast coding, data extraction, classification
Cost Analysis
At current pricing, Claude 3.5 Haiku is 18.8x more affordable than Claude 3 Opus. For a typical enterprise workload processing 100M tokens per month:
Claude 3 Opus monthly cost
$4,500
100M tokens/mo (50/50 in/out)
Claude 3.5 Haiku monthly cost
$240
100M tokens/mo (50/50 in/out)
The Verdict
Claude 3.5 Haiku wins our head-to-head comparison with 2 out of 5 category wins. It's the stronger choice for fast coding, data extraction, classification, though Claude 3 Opus holds an edge in complex analysis, research, nuanced writing.
Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages