Recursive: Flint (free) vs Anthropic Claude Fable 5.1: Live Promos, Pricing, Hidden Fees & Latency
Recursive: Flint (free) (recursive/flint-v1.0:free) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Recursive: Flint (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 Fable 5.1 (claude-fable-5-1) — $25,000 Startup Credits & 97.5% 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 Recursive: Flint (free) (API ID: recursive/flint-v1.0:free) vs Anthropic Claude Fable 5.1 (API ID: claude-fable-5-1), Recursive: Flint (free) offers lower standard input pricing at $0/1M tokens ($0/1M output), while Recursive: Flint (free) leads in cached prefix economics at $0/1M tokens (50% discount). Recursive: Flint (free) achieves a 10ms faster P90 time-to-first-token latency (280ms vs 290ms).
Auto-discovered via live global telemetry registry.
Un-cached multi-turn research loops burn $10/$50 rapidly; enable Prompt Caching immediately to lock in the $0.25/1M (97.5% off) read rate.
| Specification / FinOps Dimension | Recursive: Flint (free) | Anthropic Claude Fable 5.1 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | recursive/flint-v1.0:free | claude-fable-5-1 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0 / $0 | $10 / $50 | Recursive: Flint (free) |
| Cache Read Price (per 1M) | $0/1M (50% Off) | $0.25/1M (97.5% Off) | Recursive: Flint (free) |
| Context Window / Max Output | 256K In / 230K Out | 1000K In / 128K Out | Recursive: Flint (free) |
| P90 First-Token / Edge Latency | 280ms | 290ms | Recursive: Flint (free) (-10ms) |
Flint is an open-weight mixture-of-experts model from Recursive, with about 2.5B active parameters out of 40B total, built by Recursive's autoresearch system Eureka Machine for cod
Anthropic Sep 1, 2026 heavy research & synthesis architecture ($10/$50 per 1M) featuring an industry-leading 97.5% cache read discount ($0.25/1M).
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 Recursive: Flint (free) to Anthropic Claude Fable 5.1
Anthropic Sep 1, 2026 heavy research & synthesis architecture ($10/$50 per 1M) featuring an industry-leading 97.5% cache read discount ($0.25/1M). Verified P90 latency of 290ms.