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NimbleSEO vs Ahrefs Brand Radar

Ahrefs Brand Radar is better at market-wide prompt demand: a 406M+ search-backed prompt corpus on the 110B-keyword Ahrefs graph that we do not have and do not claim to match. NimbleSEO differs on evidence rigor for YOUR cohort: confidence intervals with effective sample sizes, per-engine capture-mode disclosure, and an inconclusive label instead of a confident single number.

All comparisons How to read vendor claims

Vendor sources reviewed 2026-07-10 against Ahrefs Brand Radar’s own public pages (linked per row) — tell us if something changed: security@nimbleseo.ai. Units are defined per vendor and never silently equated.

Dimension	NimbleSEO	Ahrefs Brand Radar	Stronger
Prompt demand corpus	Customer-owned prompt cohorts with per-prompt provenance (GSC, autocomplete, PAA, CRM, support, manual); no market-wide modeled prompt index. evidence: src/lib/marketing/methodology-copy.ts + /methodology/ai-visibility	"406M+ organic prompts" marketed as search-backed ("not synthetic"), built on Ahrefs’ keyword corpus — a published market-wide discovery dataset. source¹ · checked 2026-07-10	Them
Uncertainty disclosure	Nominal 95% descriptive Wilson intervals over estimated effective run counts, a public descriptive next-window compatibility check, and "inconclusive" below minimum sample. evidence: src/lib/marketing/methodology-copy.ts + /methodology/ai-visibility	No sample sizes, confidence intervals, or uncertainty measures disclosed for AI-visibility metrics on the product page as of the checked date. source² · checked 2026-07-10	NimbleSEO
Capture-fidelity disclosure	Per-engine capture mode published (bare API model vs search-grounded vs manually seeded), generated from the engine registry. evidence: src/lib/geo/engines/index.ts (engineCaptureDisclosures) + /capture	Platform list (AI Overviews, AI Mode, ChatGPT, Perplexity, Copilot, Gemini) without per-platform capture-method disclosure on the checked page. source³ · checked 2026-07-10	NimbleSEO
Entry price & units	Public plans start with Starter at €29 or $29/month (EUR for euro-area billing; USD elsewhere); prompt checks, crawl pages, credits, seats, hard stops, and optional prepaid credit packs are itemized in the live plan contract. evidence: src/lib/pricing.ts + /pricing (published hard limits & optional prepaid packs)	"Select platforms" $398/mo incl. 2,500 custom prompt checks/mo; "All platforms" $699/mo. (Their checks and our checks are separately defined units — compare definitions, not just counts.) source⁴ · checked 2026-07-10	NimbleSEO
Adjacent SEO platform	SEO lane (rank tracking, technical find→fix, content) and GEO lane in one workspace and one bill. evidence: src/lib/pricing.ts + /pricing (published hard limits & optional prepaid packs)	Brand Radar sits inside the mature Ahrefs toolset with an established link and keyword data platform alongside its AI monitoring. source⁵ · checked 2026-07-10	Them

Vendor sources

https://ahrefs.com/brand-radar (checked 2026-07-10)
https://ahrefs.com/brand-radar (checked 2026-07-10)
https://ahrefs.com/brand-radar (checked 2026-07-10)
https://ahrefs.com/brand-radar (checked 2026-07-10)
https://help.ahrefs.com/en/articles/11064852-what-is-brand-radar-and-how-do-you-use-it (checked 2026-07-10)

NimbleSEO vs Ahrefs Brand Radar

Dimension

NimbleSEO

Ahrefs Brand Radar

Stronger

Prompt demand corpus

Customer-owned prompt cohorts with per-prompt provenance (GSC, autocomplete, PAA, CRM, support, manual); no market-wide modeled prompt index.

evidence: src/lib/marketing/methodology-copy.ts + /methodology/ai-visibility

"406M+ organic prompts" marketed as search-backed ("not synthetic"), built on Ahrefs’ keyword corpus — a published market-wide discovery dataset.

source¹ · checked 2026-07-10

Them

Uncertainty disclosure

Nominal 95% descriptive Wilson intervals over estimated effective run counts, a public descriptive next-window compatibility check, and "inconclusive" below minimum sample.

evidence: src/lib/marketing/methodology-copy.ts + /methodology/ai-visibility

No sample sizes, confidence intervals, or uncertainty measures disclosed for AI-visibility metrics on the product page as of the checked date.

source² · checked 2026-07-10

NimbleSEO

Capture-fidelity disclosure

Per-engine capture mode published (bare API model vs search-grounded vs manually seeded), generated from the engine registry.

evidence: src/lib/geo/engines/index.ts (engineCaptureDisclosures) + /capture

Platform list (AI Overviews, AI Mode, ChatGPT, Perplexity, Copilot, Gemini) without per-platform capture-method disclosure on the checked page.

source³ · checked 2026-07-10

NimbleSEO

Entry price & units

Public plans start with Starter at €29 or $29/month (EUR for euro-area billing; USD elsewhere); prompt checks, crawl pages, credits, seats, hard stops, and optional prepaid credit packs are itemized in the live plan contract.

evidence: src/lib/pricing.ts + /pricing (published hard limits & optional prepaid packs)

"Select platforms" $398/mo incl. 2,500 custom prompt checks/mo; "All platforms" $699/mo. (Their checks and our checks are separately defined units — compare definitions, not just counts.)

source⁴ · checked 2026-07-10

NimbleSEO

Adjacent SEO platform

SEO lane (rank tracking, technical find→fix, content) and GEO lane in one workspace and one bill.

evidence: src/lib/pricing.ts + /pricing (published hard limits & optional prepaid packs)

Brand Radar sits inside the mature Ahrefs toolset with an established link and keyword data platform alongside its AI monitoring.

source⁵ · checked 2026-07-10

Them