Anthropic: Claude Fable 5 vs Anthropic: Claude Opus Latest: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Anthropic: Claude Fable 5 (anthropic/claude-fable-5) vs Anthropic: Claude Opus Latest (~anthropic/claude-opus-latest). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Anthropic: Claude Fable 5 (anthropic/claude-fable-5) — $25,000 Startup Credits & 50% Cache Promo
Anthropic's Q4 2026 developer promotion combines $25,000 in Claude API credits for early-stage builders with a permanent 20% base price reduction on Opus 5.5 ($4/$20), 0.05x ($0.20/1M) prompt cache reads, and 50% off Batch API processing ($2/$10 with 300K max output).
Anthropic: Claude Opus Latest (~anthropic/claude-opus-latest) — $25,000 Startup Credits & 50% Cache Promo
Anthropic's Q4 2026 developer promotion combines $25,000 in Claude API credits for early-stage builders with a permanent 20% base price reduction on Opus 5.5 ($4/$20), 0.05x ($0.20/1M) prompt cache reads, and 50% off Batch API processing ($2/$10 with 300K max output).
In Etuki October 2026 FinOps telemetry comparing Anthropic: Claude Fable 5 (API ID: anthropic/claude-fable-5) vs Anthropic: Claude Opus Latest (API ID: ~anthropic/claude-opus-latest), Anthropic: Claude Opus Latest offers lower standard input pricing at $4/1M tokens ($20/1M output), while Anthropic: Claude Opus Latest leads in cached prefix economics at $2/1M tokens (50% discount). Anthropic: Claude Fable 5 achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
Auto-discovered via live global telemetry registry.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Anthropic: Claude Fable 5 | Anthropic: Claude Opus Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | anthropic/claude-fable-5 | ~anthropic/claude-opus-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $10 / $50 | $4 / $20 | Anthropic: Claude Opus Latest |
| Cache Read Price (per 1M) | $5/1M (50% Off) | $2/1M (50% Off) | Anthropic: Claude Opus Latest |
| Context Window / Max Output | 977K In / 125K Out | 977K In / 125K Out | Anthropic: Claude Fable 5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Anthropic: Claude Fable 5 (-0ms) |
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning sup
This model always redirects to the latest model in the Claude Opus family.
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
🛰️Switch from Anthropic: Claude Fable 5 to Anthropic: Claude Opus Latest
This model always redirects to the latest model in the Claude Opus family. Verified P90 latency of 280ms.