HR AI Index
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HR AI assistants · September 2026 Edition

ChatGPT vs Lattice

Zero of twelve models named ChatGPT first on the direct prompt; three named Lattice. ChatGPT was named by eight of the twelve models and Lattice by nine and ChatGPT carries 11 labels and Lattice 18, so the shares are not directly comparable.

ChatGPT

criticized challenger

Named in seven categories this edition.

Lattice

accepted challenger

Named in nineteen categories this edition.

First-choice share10%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate27%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 11; printed, not drawn.
Labels1118A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ChatGPT reading right to left. Rank and label count are printed, not drawn.Leena AI was named alongside these two in seven of the twelve direct answers. Workativ Assistant vs ChatGPT · Workativ Assistant vs Lattice · ChatGPT vs Leena AI

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 HR AI assistants page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
ChatGPTFirst choices, of twelve modelsLattice
Direct031 against ChatGPT
Paraphrase00
Comparative001 against ChatGPT
Budget-constrained50
Scale-constrained00
Negative001 against ChatGPT
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.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where ChatGPT and Lattice 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
ChatGPT Lattice first choice named as an alternative argued againstblank: not namedEach cell is one answer, ChatGPT on the left and Lattice on the right.

The direct prompt

The plain question, one answer per model, grouped by where ChatGPT and Lattice stood in it.

Lattice first, ChatGPT not the choice

3 of 12 modelsChatGPT was named in the answer but not as the choice, or not at all.
Llama 4 MaverickLattice alternatives: HiBob, Leena AI, Paycor, Windmill
GLM 4.7 FlashXLattice alternatives: BambooHR, Greenhouse AI, Humand, Leena AI, Workativ Assistant
MiniMax M2.5HiBob, Lattice alternatives: HelpJet, Monday.com AI Agents, Paycor

Neither was the first choice, one was named

6 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Perplexity SonarMoveworks alternatives: Lattice, Leena AI, Workativ Assistant
Grok 4.1 FastRippling alternatives: BambooHR, Lattice
Mistral SmallLeena AI, Workativ Assistant alternatives: HiBob, Lattice, Paycor
DeepSeek V4 FlashHiBob alternatives: Lattice, Leena AI, Paradox, Rippling
Qwen 3.7 FlashHiBob alternatives: BambooHR, Greenhouse, Lattice
Kimi K2MeBeBot alternatives: Lattice, Paradox

Neither was named

3 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Moveworks alternatives: Leapsome, Leena AI, Paycor
GPT-5.4 miniBambooHR with Bamboo AI / Ask BambooHR alternatives: Workday
Gemini 3.5 FlashWorkativ Assistant alternatives: BambooHR / Bamboo AI, Juicebox, Leena AI, MeBeBot, Paradox, PeopleGPT, Rippling

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
ChatGPT leads by two points.
ChatGPT2%#6 of 10
Lattice0%#– of 10
The full small business standing →
Mid-marketThe figures above
ChatGPT leads by four points.
ChatGPT10%#2 of 11
Lattice6%#4 of 11
The full mid-market standing →
Enterprise
Level: the same share of first choices.
ChatGPT0%#– of 6
Lattice0%#– of 6
The full enterprise standing →

What the models said about ChatGPT

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

“OpenAI, ChatGPT, or similar consumer tools used by HR without proper governance - Why to avoid: Lack of confidentiality, privacy, accuracy, and accountability safeguards” GLM 4.7 FlashX · negative prompt · hard negative
“the best AI assistant for an HR team is usually ChatGPT or Claude for drafting and internal support tasks” Perplexity Sonar · budget prompt · first choice
“A general-purpose writing assistant (ChatGPT or Claude) — The cheapest and most flexible option.” DeepSeek V4 Flash · budget prompt · first choice
“My top pick for most limited budgets: Start with ChatGPT (free) for content creation” Kimi K2 · budget prompt · first choice

What the models said about Lattice

No label in this category carried a quote.

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.