Anthropic: Claude Sonnet 5.5 (batch) vs OpenAI: o1: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Anthropic: Claude Sonnet 5.5 (batch) (anthropic/claude-sonnet-5.5:batch) vs OpenAI: o1 (openai/o1). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Anthropic: Claude Sonnet 5.5 (batch) (anthropic/claude-sonnet-5.5: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).
OpenAI: o1 (openai/o1) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
In Etuki October 2026 FinOps telemetry comparing Anthropic: Claude Sonnet 5.5 (batch) (API ID: anthropic/claude-sonnet-5.5:batch) vs OpenAI: o1 (API ID: openai/o1), Anthropic: Claude Sonnet 5.5 (batch) offers lower standard input pricing at $1/1M tokens ($5/1M output), while Anthropic: Claude Sonnet 5.5 (batch) leads in cached prefix economics at $0.5/1M tokens (50% discount). Anthropic: Claude Sonnet 5.5 (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 Sonnet 5.5 (batch) | OpenAI: o1 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | anthropic/claude-sonnet-5.5:batch | openai/o1 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $5 | $15 / $60 | Anthropic: Claude Sonnet 5.5 (batch) |
| Cache Read Price (per 1M) | $0.5/1M (50% Off) | $7.5/1M (50% Off) | Anthropic: Claude Sonnet 5.5 (batch) |
| Context Window / Max Output | 977K In / 125K Out | 195K In / 98K Out | Anthropic: Claude Sonnet 5.5 (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | Anthropic: Claude Sonnet 5.5 (batch) (-0ms) |
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fix
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learn
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 5.5 (batch) to OpenAI: o1
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learn Verified P90 latency of 280ms.