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Hands-on and source-backed AI and SaaS reviews focused on pricing, plan limits, workflow reliability, output quality, data posture, and buyer risk.

Future Stack Reviews Tier C briefing graphic comparing two annual Pro plans from Opusclip Inc.: OpusClip Pro at $174 a year and Agent Opus Pro at $348 a year, both listing 3,600 credits, with different feature bundles on each side

OpusClip Credits: Why 3,600 Shared Credits Cost $174 or $348

August 11, 2026

Opusclip Inc. runs two pricing pages, and 3,600 annual credits list at $174 on one and $348 on the other. A document-first briefing on what the published documents settle about OpusClip credits, and what they leave to the buyer.

Categories Reviews
Illustrated cover graphic for a Future Stack Reviews Tier C document-first briefing, headlined Zendesk AI Pricing, Two Billing Models, One Unpublished Rate Card. Four buyer checks are labeled model, allowance, tier price, and overage. A diagram panel, marked as not a product screenshot, sets three cards side by side: a legacy model measured in resolution count, an allowance model funded by a currency pool, and a billable tier on which the sources disagree.

Zendesk AI Pricing in 2026: Two Billing Models, One Unpublished Rate Card

August 10, 2026

Zendesk is moving AI agent billing from counted automated resolutions to a
currency-funded resolution allowance, and both models are live at the same time.
A document-first look at what is billable, where Zendesk’s own pages disagree, and
why the tier price is not on the pricing page.

Categories Reviews
Surfer SEO pricing title card from Future Stack Reviews: one price card beside four documents labeled fair use, regulations, API, and cancellation.

Surfer SEO Pricing in 2026: Limits, Trial Terms, API Access, and Cancellation

August 10, 2026

Surfer’s Unlimited resolves to 500 documents a month. A document-first read of the trial terms, the annual cancellation formula, and API entitlement.

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Future Stack Reviews Tier C cover graphic for 秘塔AI搜索, Metaso AI Search, outside China. It names four buyer gates: access, payment, output rights, and contract, with public listing confirmed and registration and business use unresolved.

Metaso AI Search for Buyers Outside China: Access, Payment, Output Rights, and Contract Gaps

August 10, 2026

Metaso is publicly distributed outside China. Registration, payment, commercial output rights, and its video model terms are not established.

Categories Reviews
Future Stack Reviews cover graphic for a Tier C audit of Pika pricing, showing a Standard versus Pro comparison in which commercial use and watermark-free download appear only on Pro.

Pika Pricing 2026: Standard vs Pro for Commercial Use

August 17, 2026August 10, 2026

Pika pricing, audited from the published pages: the $8 Standard plan excludes commercial use and watermark-free download. Pro at $28 includes both.

Categories Reviews
Meta AI privacy controls across three routes: standard chat, Incognito, and Model API. Future Stack Reviews cover graphic.

Meta AI Has Three Privacy Routes. They Do Not Do the Same Job

August 9, 2026

Meta prices data use by model ID on the API, markets Incognito Chat
separately, and offers record management in ordinary chat. FSR audited one Japan web account to map what each route actually governs.

Categories Reviews
invideo-ai-review-2026-credit-billing-paths

InVideo AI Review 2026: What the Credit Balance Does Not Tell You

August 8, 2026

InVideo’s plan card shows a credit balance, not a video allowance. On Generative and Elite that balance is a dial, and one plan name spans $900 to $9,000 a month.

Categories Reviews
Future Stack Reviews cover card for a document-first briefing on Meta AI, presented as three products rather than one: Meta One personal subscription, Muse Spark developer API, and the in-app assistant across Facebook, Instagram, and WhatsApp.

Meta AI Won’t Fix Your Stack: What Meta Actually Sells, and to Whom

August 6, 2026

Meta One is personal only, and the cheap API tier trains Meta’s models. A document-first map of what Meta sells under the Meta AI name, and who can actually buy it.

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Future Stack Reviews cover graphic for a document-first Qwen3.8-Max briefing, headlined "What changed from Qwen3.7-Max?" and marked not tested by FSR. A model card lists a 1M context window, image, text and video input, and $2 and $6 per million tokens, above two checks: Token Plan is not the API, and region affects access.

What Can Qwen3.8-Max Do? Capabilities, Limits, and What the Documents Leave Open

August 4, 2026

Qwen3.8-Max takes image, text, and video input and publishes four separate ceilings, at $2 and $6 per million tokens. This Tier C, document-first briefing reads Alibaba’s own pages as of August 3, 2026, and names what they leave unresolved. FSR ran no hands-on test.

Categories Reviews
Claude plans change by surface: Future Stack Reviews Tier C briefing on contract, audit, storage, and billing boundaries across Pro, Max, Team, and Enterprise.

Claude Pro, Max, Team, and Enterprise: The Control Boundaries Behind the Plan

August 3, 2026August 3, 2026

Claude plans compared on contract, audit reach, data storage, and billing routes. A document-first procurement briefing built from Anthropic’s own pages.

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Future Stack Reviews is published by 合同会社Future Stack in Japan. Edited by Takashi Fujino. © 2026 合同会社Future Stack.