Anthropic vs Azure AI Foundry
Same workloads, both price lists, refreshed daily. List prices tie on all 11 shared line items today, so the choice comes down to platform differences (routing, limits, tooling), summarized below.
Anthropic
Claude models via first-party API. Strong at coding, agents and long-context work.
- Frontier coding/agent models
- 200K+ context
- Prompt caching up to 90% off inputs
Azure AI Foundry
OpenAI models with Azure enterprise controls plus a broad third-party model catalog. The compliance-friendly way to run GPT-class models.
- Azure compliance/enterprise controls
- OpenAI models with SLAs
- Provisioned throughput
Shared models, priced by both
List prices refreshed 2026-08-23 ยท input $/1M tokens| Model | Anthropic in/out | Azure AI Foundry in/out | Cheaper input |
|---|---|---|---|
| Claude Haiku 4.5 | $1.00 / $5.00 | $1.00 / $5.00 | tie |
| Claude Sonnet 5 | $2.00 / $10.00 | $2.00 / $10.00 | tie |
| Claude Sonnet 4.5 | $3.00 / $15.00 | $3.00 / $15.00 | tie |
| Claude Sonnet 4.6 | $3.00 / $15.00 | $3.00 / $15.00 | tie |
| Claude Opus 4.5 | $5.00 / $25.00 | $5.00 / $25.00 | tie |
| Claude Opus 4.6 | $5.00 / $25.00 | $5.00 / $25.00 | tie |
| Claude Opus 4.7 | $5.00 / $25.00 | $5.00 / $25.00 | tie |
| Claude Opus 5 | $5.00 / $25.00 | $5.00 / $25.00 | tie |
| Claude Opus 4.8 | $5.00 / $25.00 | $5.00 / $25.00 | tie |
| Claude Fable 5 | $10.00 / $50.00 | $10.00 / $50.00 | tie |
| Claude Opus 4.1 | $15.00 / $75.00 | $15.00 / $75.00 | tie |
Cheaper-on-count is a tally of listed prices, not a quality verdict: throughput, reliability and quantization differ between providers. Disclosure.