# Goldcast vs BigMarker: which do AI models recommend for webinars, September 2026

GTM AI Recommendation Index, September 2026 Edition, Webinar and virtual event platforms. Four of twelve models named Goldcast first on the direct prompt; one named BigMarker. Page: https://gtm-ai-index.com/marketing/webinar-virtual-events/goldcast-vs-bigmarker/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Goldcast | 14% | #3 of 19 | 5% | 20 | 11 of 12 |
| BigMarker | 2% | #7 of 19 | 5% | 21 | 11 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: goldcast first (first choices: Goldcast) (alternatives: Airmeet, Demio, Livestorm)
- Perplexity Sonar: goldcast first (first choices: Goldcast) (alternatives: Bizzabo, GoTo Webinar, Livestorm)
- Mistral Small: goldcast first (first choices: Goldcast) (alternatives: Demio, Livestorm, Zoom Webinars)
- Qwen 3.7 Flash: goldcast first (first choices: Goldcast) (alternatives: Livestorm, ON24, Zoom Webinars)
- Claude Haiku 4.5: bigmarker first (first choices: BigMarker) (alternatives: Demio, GoTo Webinar, Goldcast, Livestorm)
- Grok 4.1 Fast: neither first, one named (first choices: Demio) (alternatives: GoTo Webinar, Goldcast, Livestorm, ON24, Zoom Webinars)
- DeepSeek V4 Flash: neither first, one named (first choices: Livestorm) (alternatives: Demio, Goldcast)
- Kimi K2: neither first, one named (first choices: Demio, Livestorm) (alternatives: BigMarker, Goldcast)
- MiniMax M2.5: neither first, one named (first choices: Demio) (alternatives: Bizzabo, Goldcast, Livestorm)
- GPT-5.4 mini: neither named (first choices: Demio) (alternatives: ON24)
- Llama 4 Maverick: neither named
- GLM 4.7 FlashX: neither named (first choices: GoTo Webinar) (alternatives: Airmeet, ClickMeeting, Cvent, Demio, EventMobi, PheedLoop, WebinarJam, Whova, Zoom Webinars, Zuddl)

## What the models said about Goldcast

- "ON24 and Goldcast ... typically overkill and not transparent in cost for a mid-sized company" (DeepSeek V4 Flash, paraphrase prompt, hard negative)
- "Goldcast is widely considered the top tier choice for B2B marketing teams" (Qwen 3.7 Flash, direct prompt, first choice)
- "🥇 Gold Standard: Goldcast ... Built specifically for B2B marketers" (Mistral Small, direct prompt, first choice)
- "Goldcast: Best Overall for B2B Demand Gen & Marketing ROI" (Gemini 3.5 Flash, paraphrase prompt, first choice)

## What the models said about BigMarker

- "BigMarker (poor offer pop-ups, glitchy screen sharing, pricey)" (Grok 4.1 Fast, negative prompt, soft negative)
- "Supports live, simulive, automated, and on-demand webinars natively from one platform, and fits mid-market to enterprise teams" (Claude Haiku 4.5, direct prompt, first choice)
- "Choose BigMarker or ON24 if you're running large-scale, highly controlled, analytics-heavy enterprise events" (Perplexity Sonar, paraphrase prompt, alternative)
- "Branded automation & series ... Evergreen sessions, custom landing pages | Pricing not transparent" (Grok 4.1 Fast, comparative prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.