Anthropic Claude Opus 5.5 vs DeepSeek: DeepSeek V4 Pro 0423: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Anthropic Claude Opus 5.5 (claude-opus-5-5) vs DeepSeek: DeepSeek V4 Pro 0423 (deepseek/deepseek-v4-pro). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Claude for Startups Program ($25,000 API Credits) & 95% Off Ephemeral Cache Reads
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).
DeepSeek: DeepSeek V4 Pro 0423 (deepseek/deepseek-v4-pro) — Automatic Disk KV Cache ($0.4777/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.07/1M input tokens (50% off $0.14 base) with zero code changes required, plus off-peak UTC scheduling discounts.
In Etuki October 2026 FinOps telemetry comparing Anthropic Claude Opus 5.5 (API ID: claude-opus-5-5) vs DeepSeek: DeepSeek V4 Pro 0423 (API ID: deepseek/deepseek-v4-pro), DeepSeek: DeepSeek V4 Pro 0423 offers lower standard input pricing at $0.9553/1M tokens ($1.9105/1M output), while Anthropic Claude Opus 5.5 leads in cached prefix economics at $0.2/1M tokens (95% discount). DeepSeek: DeepSeek V4 Pro 0423 achieves a 70ms faster P90 time-to-first-token latency (280ms vs 350ms).
Adaptive thinking is always on; high effort generates ~119K thinking tokens/task. Fast mode costs $8/$40; inference_geo:"us" adds +10%.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Anthropic Claude Opus 5.5 | DeepSeek: DeepSeek V4 Pro 0423 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | claude-opus-5-5 | deepseek/deepseek-v4-pro | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $4 / $20 | $0.9553 / $1.9105 | DeepSeek: DeepSeek V4 Pro 0423 |
| Cache Read Price (per 1M) | $0.2/1M (95% Off) | $0.4777/1M (50% Off) | Anthropic Claude Opus 5.5 |
| Context Window / Max Output | 1000K In / 128K Out | 1024K In / 375K Out | DeepSeek: DeepSeek V4 Pro 0423 |
| P90 First-Token / Edge Latency | 350ms | 280ms | DeepSeek: DeepSeek V4 Pro 0423 (-70ms) |
Ranked #1 on Artificial Analysis Intelligence Index (Score 58). Cuts Opus 5 pricing by 20% and features 0.05x ($0.20/1M) cache reads.
DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designe
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 Opus 5.5 to DeepSeek: DeepSeek V4 Pro 0423
DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designe Verified P90 latency of 280ms.