Anthropic: Claude Fable 5 (batch) vs Anthropic: Claude Sonnet 4.6 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Anthropic: Claude Fable 5 (batch) (anthropic/claude-fable-5:batch) vs Anthropic: Claude Sonnet 4.6 (batch) (anthropic/claude-sonnet-4.6:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Anthropic: Claude Fable 5 (batch) (anthropic/claude-fable-5:batch) — $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 Sonnet 4.6 (batch) (anthropic/claude-sonnet-4.6:batch) — $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 (batch) (API ID: anthropic/claude-fable-5:batch) vs Anthropic: Claude Sonnet 4.6 (batch) (API ID: anthropic/claude-sonnet-4.6:batch), Anthropic: Claude Sonnet 4.6 (batch) offers lower standard input pricing at $1.5/1M tokens ($7.5/1M output), while Anthropic: Claude Sonnet 4.6 (batch) leads in cached prefix economics at $0.75/1M tokens (50% discount). Anthropic: Claude Fable 5 (batch) 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 (batch) | Anthropic: Claude Sonnet 4.6 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | anthropic/claude-fable-5:batch | anthropic/claude-sonnet-4.6:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $5 / $25 | $1.5 / $7.5 | Anthropic: Claude Sonnet 4.6 (batch) |
| Cache Read Price (per 1M) | $2.5/1M (50% Off) | $0.75/1M (50% Off) | Anthropic: Claude Sonnet 4.6 (batch) |
| Context Window / Max Output | 977K In / 125K Out | 977K In / 125K Out | Anthropic: Claude Fable 5 (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | Anthropic: Claude Fable 5 (batch) (-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
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex c
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 (batch) to Anthropic: Claude Sonnet 4.6 (batch)
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex c Verified P90 latency of 280ms.