Anthropic shipped Claude Opus 5 as the new general-purpose flagship, matching Claude Fable 5 on many tasks while cutting cost significantly.
Market Signal
The price cuts reflect a shift from capability-only competition to cost-per-token optimization. Teams should re-evaluate provider lock-in and model tiers.
What to Measure
- Effective cost per 1M tokens across request shapes
- Latency and availability SLAs under load
- Prompt-cache hit rates and token-efficiency patterns
Decision Framework
Use contract tests around model upgrades and keep fallback providers ready. Price leadership today does not guarantee stability tomorrow.