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Index Sales Conversation intel › Fathom vs Fireflies.ai
Conversational intelligence and call recording · September 2026 Edition

Fathom vs Fireflies.ai

Zero of twelve models named Fathom first on the direct prompt; zero named Fireflies.ai. Both were named by all twelve models and Fathom carries 33 labels and Fireflies.ai 44, so the shares are not directly comparable.

Fathom

accepted challenger

Named in five categories this edition.

Fireflies.ai

accepted challenger

Named in four categories this edition.

First-choice share15%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%20%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 12; printed, not drawn.
Labels3344A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Fathom reading right to left. Rank and label count are printed, not drawn.Avoma was named alongside these two in eleven of the twelve direct answers. Avoma vs Fathom · Avoma vs Fireflies.ai · Fathom vs Gong

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; every quote names the model and the prompt it came from. Both figures come from the conversational intelligence and call recording page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
FathomFirst choices, of twelve modelsFireflies.ai
Direct001 against Fireflies.ai
Paraphrase001 against Fireflies.ai
Comparative10
Budget-constrained74
Scale-constrained00
Negative002 against Fathom · 7 against Fireflies.ai
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Across every category in the September 2026 Edition, Fathom and Fireflies.ai were named in the same answer ninety-four times, of the 150 answers naming Fathom and the 153 naming Fireflies.ai. In those answers Fireflies.ai took the first choice fourteen times and Fathom twenty-nine.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Fathom and Fireflies.ai stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
Fathom Fireflies.ai first choice named as an alternative argued againstblank: not namedEach cell is one answer, Fathom on the left and Fireflies.ai on the right.

The direct prompt

The plain question, one answer per model, grouped by where Fathom and Fireflies.ai stood in it.

Neither was the first choice, one was named

4 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Grok 4.1 FastGong alternatives: Avoma, Chorus by ZoomInfo, Clari Copilot, Fathom
DeepSeek V4 FlashAvoma alternatives: Chorus by ZoomInfo, Fireflies.ai, Jiminny
Kimi K2Avoma alternatives: Clari Copilot, Fathom, Jiminny
GLM 4.7 FlashXAvoma alternatives: Fathom, Jiminny

Neither was named

8 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Avoma alternatives: Airspeed, Clari Copilot, HubSpot's CI
GPT-5.4 miniGong alternatives: Chorus by ZoomInfo, Salesloft Conversations
Gemini 3.5 FlashAvoma, Jiminny alternatives: Airspeed, Chorus by ZoomInfo, Clari Copilot
Perplexity SonarAvoma alternatives: Airspeed, Clari Copilot, Gong, Jiminny
Mistral SmallAvoma alternatives: Coffee, Jiminny
Llama 4 MaverickAvoma
Qwen 3.7 FlashAvoma alternatives: Gong, ZIG
MiniMax M2.5Avoma alternatives: Gong

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Fathom leads by fifteen points.
Fathom40%#1 of 11
Fireflies.ai25%#2 of 11
The full small business standing →
Mid-marketThe figures above
Fathom leads by seven points.
Fathom15%#2 of 12
Fireflies.ai9%#4 of 12
The full mid-market standing →
Enterprise
The order flips: Fireflies.ai leads at enterprise.
Fireflies.ai2%#5 of 13
Fathom0%#12 of 13
The full enterprise standing →

What the models said about Fathom

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.

“useful as a free note-taker, but the comparison warns it is not a replacement for Gong-level deal risk / revenue intelligence” Perplexity Sonar · negative prompt · soft negative
“Moderate Caution Generally well-regarded but still cloud-based” Kimi K2 · negative prompt · soft negative
“I'd pick Fathom first. It gives you the core value—recording, transcription, summaries, and action items—without the enterprise cost structure” GPT-5.4 mini · budget prompt · first choice
“I'd recommend starting with Fathom (if video meetings are primary) or Coldread (if phone calls are primary)” MiniMax M2.5 · budget prompt · first choice
“the best conversation intelligence and call recording platforms are Fathom and Fireflies.ai” Qwen 3.7 Flash · budget prompt · first choice

What the models said about Fireflies.ai

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Class action lawsuit (December 2025): Alleged biometric voiceprint collection without consent under Illinois BIPA... Cornell, Oxford, and Cambridge have blocked Fireflies bots” MiniMax M2.5 · negative prompt · hard negative
“several platforms (including Otter.ai and Fireflies.ai) face lawsuits alleging they harvest, analyze, and store unique mathematical models of participants' voices” Gemini 3.5 Flash · negative prompt · hard negative
“More of a meeting notetaker than true conversation intelligence; limited coaching depth” Kimi K2 · direct prompt · hard negative
“Budget tools like Fireflies start at $10 per user per month, with Avoma being the mid-market value pick and Fireflies the cheapest entry point” Claude Haiku 4.5 · budget prompt · first choice
“1. Fireflies.ai — Best for Tightest Budgets ... Fireflies is the entry point for budget-conscious teams.” Kimi K2 · budget prompt · first choice
“the best conversation intelligence and call recording platforms are Fathom and Fireflies.ai” Qwen 3.7 Flash · budget prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.