Poolside: Laguna S 2.1 (free) vs Anthropic: Claude Haiku 4.5: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Poolside: Laguna S 2.1 (free) (poolside/laguna-s-2.1:free) vs Anthropic: Claude Haiku 4.5 (anthropic/claude-haiku-4.5). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Poolside: Laguna S 2.1 (free) (poolside/laguna-s-2.1:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Poolside: Laguna S 2.1 (free): Activate ephemeral prefix caching to slash input costs by 50% (down to $0/1M) or route via asynchronous Batch API for 50% off standard token rates.
Anthropic: Claude Haiku 4.5 (anthropic/claude-haiku-4.5) — $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 Poolside: Laguna S 2.1 (free) (API ID: poolside/laguna-s-2.1:free) vs Anthropic: Claude Haiku 4.5 (API ID: anthropic/claude-haiku-4.5), Poolside: Laguna S 2.1 (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while Poolside: Laguna S 2.1 (free) leads in cached prefix economics at $0/1M tokens (50% discount). Poolside: Laguna S 2.1 (free) 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 | Poolside: Laguna S 2.1 (free) | Anthropic: Claude Haiku 4.5 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | poolside/laguna-s-2.1:free | anthropic/claude-haiku-4.5 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $1 / $5 | Poolside: Laguna S 2.1 (free) |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $0.5/1M (50% Off) | Poolside: Laguna S 2.1 (free) |
| Context Window / Max Output | 256K In / 32K Out | 195K In / 63K Out | Anthropic: Claude Haiku 4.5 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Poolside: Laguna S 2.1 (free) (-0ms) |
Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Term
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Clau
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 Poolside: Laguna S 2.1 (free) to Anthropic: Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Clau Verified P90 latency of 280ms.