OpenAI: GPT-5.4 Mini vs Anthropic: Claude Sonnet 4.5 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenAI: GPT-5.4 Mini (openai/gpt-5.4-mini) vs Anthropic: Claude Sonnet 4.5 (batch) (anthropic/claude-sonnet-4.5:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenAI: GPT-5.4 Mini (openai/gpt-5.4-mini) 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).
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 OpenAI: GPT-5.4 Mini (API ID: openai/gpt-5.4-mini) vs Anthropic: Claude Sonnet 4.5 (batch) (API ID: anthropic/claude-sonnet-4.5:batch), OpenAI: GPT-5.4 Mini offers lower standard input pricing at $0.75/1M tokens ($4.5/1M output), while OpenAI: GPT-5.4 Mini leads in cached prefix economics at $0.375/1M tokens (50% discount). OpenAI: GPT-5.4 Mini 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 | OpenAI: GPT-5.4 Mini | Anthropic: Claude Sonnet 4.5 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openai/gpt-5.4-mini | anthropic/claude-sonnet-4.5:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.75 / $4.5 | $1.5 / $7.5 | OpenAI: GPT-5.4 Mini |
| Cache Read Price (per 1M) | $0.375/1M (50% Off) | $0.75/1M (50% Off) | OpenAI: GPT-5.4 Mini |
| Context Window / Max Output | 391K In / 125K Out | 977K In / 63K Out | OpenAI: GPT-5.4 Mini |
| P90 First-Token / Edge Latency | 280ms | 280ms | OpenAI: GPT-5.4 Mini (-0ms) |
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong perfor
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 OpenAI: GPT-5.4 Mini 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.