AI proposal tools in 2026 split into two clusters by what they let the operator publish: tools that AI-assist proposal assembly (PandaDoc, Better Proposals, Proposify, Bonsai) compound; tools that AI-generate proposal narrative (Pitch, Gamma, Tome AI generation features) read as AI-generated to most buyers within thirty seconds and close at materially lower rates. Three structural patterns trigger the buyer-side AI-generated detection: the three-phase project structure regardless of actual scope, the credentials paragraph that lists capability without naming clients, the pricing section that over-explains itself. The defensible posture is AI for assembly (pricing tables, scope-of-work blocks, clause libraries from CRM) and human for voice (cover letter, executive summary, project-fit paragraph, next-step CTA).

Source-text re-review: the '$300-$500 (2024) toward $100-$130 (early 2026)' median trajectory is not stated in either cited source — the Godberry Studios teardown reports stack cost by revenue tier (not a year-over-year median) and BetterCloud's SaaS-industry data covers enterprise spend, not solopreneur AI subscriptions. The compression direction is supported by the Godberry tier data and observable foundation-model bundling; the specific year-anchored median figures are reclassified as source:our-estimate in the article. The load-bearing claim (active compression / category-collapse) holds; status moved to Partial pending a primary source carrying a dated solopreneur-median series.

Vendor attribution error in the claim text. The claim names Polley Faith among 'Spellbook with named small-firm customers Westaway, KMSC Law, Polley Faith'. Polley Faith LLP is a Harvey-listed law-firm customer, not a Spellbook customer: the live Spellbook site (now spellbook.com; spellbook.legal 301-redirects) names Westaway, KMSC Law, and McInnes Cooper with no Polley Faith, and the source article's own body correctly places Polley Faith on Harvey's roster — the claim text and the article excerpt bundled it with the wrong vendor at publish. The remaining legs verify against extracted source text on 10 Jun 2026: Anthropic's GC AI customer story carries 'More than 1,500 companies' and '14 hours saved per week on average ... based on a survey of more than 100 active customers' verbatim; Harvey's published roster (Thompson Hine, Fox Rothschild, Lowenstein Sandler, Polley Faith) matches; ABA Formal Opinion 512 remains the governance baseline. The corpus reading (AI ships at 1-to-20 lawyer scale; privileged work stays on Enterprise-tier zero-retention access) is unaffected. Status Up -> Partial.

Trigger condition (2) fired: the effective date moved. Governor Polis signed SB 26-189 on 14 May 2026 (Holland & Knight client alert, May 2026; Seyfarth; Littler). The signed law repeals and reenacts the original Colorado AI Act and its obligations take effect 1 Jan 2027 — not 30 Jun 2026 as the claim asserted. No operator obligation starts 30 Jun 2026; the only pre-2027 item is Colorado AG rulemaking due by 1 Jan 2027. The claim's structural reading holds (risk-management programmes and impact assessments dropped for a notice-and-transparency framework; consequential-decision scope covering employment, housing, credit, insurance, education, healthcare; no small-firm exemption). The urgency leg ('obligations from 30 June 2026') is overtaken. Status Up → Partial.

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