Anthropic: Claude Sonnet 4 vs Anthropic: Claude Sonnet 4.5 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Anthropic: Claude Sonnet 4 (anthropic/claude-sonnet-4) vs Anthropic: Claude Sonnet 4.5 (batch) (anthropic/claude-sonnet-4.5:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Anthropic: Claude Sonnet 4 (anthropic/claude-sonnet-4) — $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 4.5 (batch) (anthropic/claude-sonnet-4.5: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).
In Etuki October 2026 FinOps telemetry comparing Anthropic: Claude Sonnet 4 (API ID: anthropic/claude-sonnet-4) vs Anthropic: Claude Sonnet 4.5 (batch) (API ID: anthropic/claude-sonnet-4.5:batch), Anthropic: Claude Sonnet 4.5 (batch) offers lower standard input pricing at $1.5/1M tokens ($7.5/1M output), while Anthropic: Claude Sonnet 4.5 (batch) leads in cached prefix economics at $0.75/1M tokens (50% discount). Anthropic: Claude Sonnet 4 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 Sonnet 4 | Anthropic: Claude Sonnet 4.5 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | anthropic/claude-sonnet-4 | anthropic/claude-sonnet-4.5:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $3 / $15 | $1.5 / $7.5 | Anthropic: Claude Sonnet 4.5 (batch) |
| Cache Read Price (per 1M) | $1.5/1M (50% Off) | $0.75/1M (50% Off) | Anthropic: Claude Sonnet 4.5 (batch) |
| Context Window / Max Output | 195K In / 63K Out | 977K In / 63K Out | Anthropic: Claude Sonnet 4 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Anthropic: Claude Sonnet 4 (-0ms) |
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Ac
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchm
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 Sonnet 4 to Anthropic: Claude Sonnet 4.5 (batch)
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchm Verified P90 latency of 280ms.