OpenAI o3-mini vs Claude 3.5 Sonnet: API Pricing, Context & Automation ROI
Switching from Claude 3.5 Sonnet to OpenAI o3-mini cuts token costs by 69% on compatible workflows. Compare exact token pricing and speed below.
Side-by-Side Technical & Cost Comparison
| Metric | OpenAI o3-mini (OpenAI) | Claude 3.5 Sonnet (Anthropic) |
|---|---|---|
| Input Cost (per 1M tokens) | $1.100 | $3.000 |
| Cached Input Cost (per 1M) | $0.550 | $0.300 |
| Output Cost (per 1M tokens) | $4.40 | $15.00 |
| Max Context Window | 200,000 tokens | 200,000 tokens |
| Throughput Speed | ~95 tokens/sec | ~85 tokens/sec |
| Monthly Cost (1,000 runs/day) | $161.70 / month | $495.00 / month |
| Best Automation Use Case | Automated code review, SQL query generation, financial logic validation, and multi-step agentic planning. | B2B copywriting, nuanced executive reports, complex code generation, and autonomous computer-use workflows. |
When to Choose OpenAI o3-mini
Automated code review, SQL query generation, financial logic validation, and multi-step agentic planning.
- Adjustable reasoning effort
- Superior STEM & coding accuracy
- 200K context window
- Cost-effective reasoning
When to Choose Claude 3.5 Sonnet
B2B copywriting, nuanced executive reports, complex code generation, and autonomous computer-use workflows.
- 90% prompt caching discount
- Human-like natural prose
- Industry-leading coding benchmark
- Low hallucination rate
🔥 Recommended AI Automation Stack (Verified Free Tiers & High ROI)
Make.com
Visual No-Code AI Automation Platform (1,000 Free Ops/mo)
Try Make.com Free (1,000 Ops)
n8n Cloud
Fair-Code Workflow Automation with Native AI Agents
Launch n8n AI Agents
CustomGPT.ai
Build No-Code RAG Custom Chatbots on Your Business Data
Build Custom RAG Bot