Sakana: Fugu Ultra v2 vs Anthropic: Claude Opus 4.8 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Sakana: Fugu Ultra v2 (sakana/fugu-ultra-v2) vs Anthropic: Claude Opus 4.8 (batch) (anthropic/claude-opus-4.8:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Sakana: Fugu Ultra v2 (sakana/fugu-ultra-v2) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Sakana: Fugu Ultra v2: Activate ephemeral prefix caching to slash input costs by 50% (down to $2.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
Anthropic: Claude Opus 4.8 (batch) (anthropic/claude-opus-4.8: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 Sakana: Fugu Ultra v2 (API ID: sakana/fugu-ultra-v2) vs Anthropic: Claude Opus 4.8 (batch) (API ID: anthropic/claude-opus-4.8:batch), Anthropic: Claude Opus 4.8 (batch) offers lower standard input pricing at $2.5/1M tokens ($12.5/1M output), while Anthropic: Claude Opus 4.8 (batch) leads in cached prefix economics at $1.25/1M tokens (50% discount). Sakana: Fugu Ultra v2 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 | Sakana: Fugu Ultra v2 | Anthropic: Claude Opus 4.8 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | sakana/fugu-ultra-v2 | anthropic/claude-opus-4.8:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $5 / $30 | $2.5 / $12.5 | Anthropic: Claude Opus 4.8 (batch) |
| Cache Read Price (per 1M) | $2.5/1M (50% Off) | $1.25/1M (50% Off) | Anthropic: Claude Opus 4.8 (batch) |
| Context Window / Max Output | 977K In / 125K Out | 977K In / 125K Out | Sakana: Fugu Ultra v2 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Sakana: Fugu Ultra v2 (-0ms) |
Fugu Ultra v2 is the higher-performance model in Sakana AI's Fugu family. Rather than a single monolithic model, Fugu is a learned multi-agent orchestration system: a language mode
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M
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 Sakana: Fugu Ultra v2 to Anthropic: Claude Opus 4.8 (batch)
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M Verified P90 latency of 280ms.