**Anthropic’s recent Opus releases emphasize efficiency gains paired with lower or stable token pricing, shaping trader expectations around the debut output rate for any Claude Opus 5.6 or higher model.** Opus 5 launched July 24, 2026, at the prior $5/$25 per million input/output rate while delivering major gains in agentic coding and benchmarks such as Frontier-Bench. Opus 5.5 followed on September 22 at $4/$20—a 20% cut—with cache reads dropping 60% to $0.20, enabling roughly 40% lower run costs than Opus 5 on typical workloads and faster output. This pattern of performance parity with frontier siblings like Fable 5.1 at reduced Opus pricing, plus competitive pressure from models such as GPT-5.6 Sol, suggests continued downward pressure on output token costs. Sonnet 5.5 and Haiku 5.5 launches expected shortly could preview further efficiency improvements, while any 5.6+ release would likely debut only after external safety testing and could still face last-minute timeline or pricing adjustments common in the sector. Traders are monitoring Anthropic announcements and benchmark disclosures for signals on the next pricing step.