Build AI products powered by Claude 4.1 Opus or Claude 3.5 Haiku - no coding required
Start buildingClaude 4.1 Opus vs Claude 3.5 Haiku
Compare Claude 4.1 Opus and Claude 3.5 Haiku. Build AI products powered by either model on Appaca.
Get startedModel Comparison
| Feature | Claude 4.1 Opus | Claude 3.5 Haiku |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Model Type | text | text |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Input Cost | $15.00/ 1M tokens | $0.80/ 1M tokens |
| Output Cost | $75.00/ 1M tokens | $4.00/ 1M tokens |
Build with it | Build with Claude 4.1 Opus | Build with Claude 3.5 Haiku |
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Power your AI product with Claude 4.1 Opus, Claude 3.5 Haiku, or any supported model. Switch anytime.
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Strengths & Best Use Cases
Claude 4.1 Opus
Anthropic1. Advanced Coding Performance
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Achieves 74.5% on SWE-bench Verified, improving the Claude family's state-of-the-art coding abilities.
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Stronger at:
- Multi-file code refactoring
- Large codebase debugging
- Pinpointing exact corrections without unnecessary edits
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Outperforms Opus 4 and shows gains comparable to jumps seen in past major releases.
2. Improved Agentic & Research Capabilities
- Better at maintaining detail accuracy in long research tasks.
- Enhanced agentic search and step-by-step problem solving.
- Performs reliably across complex multi-turn reasoning tasks.
3. Validated by Real-World Users
- GitHub: Better multi-file refactoring and code adjustments.
- Rakuten Group: High precision debugging with minimal collateral changes.
- Windsurf: One standard deviation improvement on their junior dev benchmark - similar magnitude to Sonnet 3.7 → Sonnet 4.
4. Hybrid-Reasoning Benchmark Improvements
- Improvements across TAU-bench, GPQA Diamond, MMMLU, MMMU, AIME (with extended thinking).
- Stronger robustness in long-context reasoning tasks.
Claude 3.5 Haiku
Anthropic1. Intelligence & Benchmark Performance
- Matches Claude 3 Opus (previous largest model) on many intelligence tasks.
- Surpasses Claude 3 Opus on multiple evaluations despite being a smaller, faster model.
- Major improvements across every skill category vs previous Haiku.
2. Coding Strength
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Scores 40.6% on SWE-bench Verified, outperforming:
- Claude 3.5 Sonnet (original version)
- GPT-4o
- Many agent-driven systems
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Excellent for engineering assistants, agent coding tasks, and bug fixing.
3. Speed & Latency
- Same speed class as Claude 3 Haiku (ultra-fast).
- Ideal for real-time interactions, high request volumes, and UI responsiveness.
4. Tool Use & Instruction Following
- Better at following instructions than previous Haiku.
- Stronger at tool use accuracy, making it reliable for agents and workflows.
5. Best Use Cases
- High-volume, low-latency tasks
- User-facing products
- Sub-agent tasks in larger workflows
- Processing large structured datasets (pricing, inventory, purchase history)
- Rapid content or code generation where speed matters
Prompts to Get Started
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Best for Claude 4.1 Opus
textGet Comprehensive Operational Audits
Conduct comprehensive operational audits with this AI prompt, delivering C-suite grade strategies for measurable ROI within 90 days.
Formative Assessment Ideas Generator
Generate diverse formative assessment strategies that check for understanding throughout a lesson without formal testing.
Code Generator
Generate efficient, documented, and bug-free code snippets in any programming language.
Best for Claude 3.5 Haiku
textContent Hub (Central Resource Library)
Create a website content hub that centralizes resources related to persona challenges and positions your USP as the solution.
Co-Marketing Partnerships (Complementary Brands)
Develop a co-marketing partnership strategy with brands serving the same persona, amplifying reach while reinforcing your USP and persona challenges.
Data-Driven Infographics (Trends + Insights)
Create a plan for data-driven infographics that communicate trends and persona insights while reinforcing your USP’s impact on challenges.
What AI product will you build?
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Turn your AI ideas into AI products with the right AI model
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Multimodel LLMs
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Agentic workflows and integrations
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Cheyanne Carter
Founder & CEO, Edubuddy
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Build AI products powered by Claude 4.1 Opus or Claude 3.5 Haiku
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