AI consulting costs vary widely, but here's what you can actually expect to pay in Japan—and what you get for your investment.
Hourly Rates in Japan
| Level | Hourly Rate | Typical Use |
|---|---|---|
| Junior Consultant | ¥15,000-25,000 | Basic implementations, training |
| Senior Consultant | ¥25,000-40,000 | Project leadership, integrations |
| Principal/Partner | ¥40,000-70,000 | Strategy, enterprise architecture |
| Big 4 Firms | ¥50,000-100,000+ | Large-scale transformation |
Project-Based Pricing
Most AI projects are priced as fixed fees rather than hourly:
- Chatbot implementation: ¥500,000 - ¥2,000,000
- Process automation (single workflow): ¥1,000,000 - ¥3,000,000
- Custom AI agent: ¥2,000,000 - ¥8,000,000
- Enterprise transformation: ¥10,000,000 - ¥50,000,000+
What Affects the Cost
- Complexity: More integrations = higher cost
- Timeline: Rush projects cost 30-50% more
- Custom development: Custom AI models vs off-the-shelf
- Training: Do you need team training included?
- Support: Ongoing maintenance vs one-time delivery
ROI Expectations
Based on Greene Solutions client data:
- Average payback period: 4-8 months
- Average ROI at 12 months: 340%
- Time saved per employee: 15-25 hours/week
Hidden Costs to Watch For
Some consultants don't mention these until later:
- API usage fees (OpenAI, etc.) - ongoing monthly cost
- Infrastructure (cloud hosting, databases)
- Licensing for third-party tools
- Training materials and documentation
- Post-launch support and maintenance
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