Enterprise AI teams face a critical choice: Claude Opus 5 or GPT-5.6. Both offer enterprise-grade capabilities but differ in pricing, security, and deployment.
Claude Opus 5
Launched July 24, 2026 at $5/$25 per million tokens. Scored 61 on Artificial Analysis Intelligence Index, the highest ever. Half Fable 5’s price for 95% of the capability.
GPT-5.6 Family
Three tiers: Sol ($5/$30), Terra ($2.5/$15), Luna ($1/$6). Offer Azure integration, dedicated instances, and the broadest enterprise ecosystem.
| Feature | Opus 5 | GPT-5.6 (varies) |
|---|---|---|
| Price Range | $5/$25 | $1/$6 to $5/$30 |
| SWE-bench | 79.2% | 64.6% (Sol) |
| Deployment | API, dedicated | API, Azure, dedicated |
Verdict
Opus 5 for coding accuracy and safety. GPT-5.6 for flexible pricing and Azure. Both are excellent.
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