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Index Equity and corporate ESG and carbon reporting › Novisto vs Plan A
ESG and carbon reporting · September 2026 Edition

Novisto vs Plan A

Five of twelve models named Novisto first on the direct prompt; zero named Plan A. Novisto was named by twelve of the twelve models and Plan A by ten and Novisto carries 27 labels and Plan A 14, so the shares are not directly comparable.

Novisto

accepted challenger

Named in one category this edition.

Plan A

accepted challenger

Named in one category this edition.

First-choice share10%10%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate7%7%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 15; printed, not drawn.
Labels2714A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Novisto reading right to left. Rank and label count are printed, not drawn.Sweep was named alongside these two in eleven of the twelve direct answers. Sweep vs Novisto · Sweep vs Plan A · Greenly vs Novisto

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 ESG and carbon reporting page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
NovistoFirst choices, of twelve modelsPlan A
Direct50
Paraphrase04
Comparative00
Budget-constrained001 against Novisto
Scale-constrained01
Negative001 against Novisto · 1 against Plan A
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 Novisto and Plan A 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
Novisto Plan A first choice named as an alternative argued againstblank: not namedEach cell is one answer, Novisto on the left and Plan A on the right.

The direct prompt

The plain question, one answer per model, grouped by where Novisto and Plan A stood in it.

Novisto first, Plan A not the choice

5 of 12 modelsPlan A was named in the answer but not as the choice, or not at all.
Perplexity SonarNovisto alternatives: EcoOnline ESG, Greenly, Novata, Sweep
Llama 4 MaverickEcoOnline ESG, Novisto, Sweep
Qwen 3.7 FlashNovisto alternatives: Gravity, LogicGate, Sweep
Kimi K2Novisto alternatives: Coolset, Sustain.Life, Sweep, Workiva
GLM 4.7 FlashXNovisto alternatives: EcoOnline ESG, Greenly, Sustain.Life, Sweep

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.
GPT-5.4 miniWorkiva alternatives: IBM Envizi, Novisto, Sphera
Grok 4.1 FastSweep alternatives: Coolset, Novisto
DeepSeek V4 FlashSweep alternatives: Coolset, Greenly, Plan A, Tanso
MiniMax M2.5EcoOnline ESG, Sweep alternatives: Coolset, Normative, Novisto, Plan A

Neither was named

3 of 12 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5EcoOnline ESG alternatives: Greenstone, Normative, Sphera, Sweep
Gemini 3.5 FlashGreenly, Sweep alternatives: Coolset, Novata
Mistral SmallSweep alternatives: Coolset, EcoOnline ESG

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
Level: the same share of first choices.
Novisto0%#9 of 13
Plan A0%#– of 13
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Novisto10%#3 of 15
Plan A10%#4 of 15
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Novisto0%#9 of 12
Plan A0%#– of 12
The full enterprise standing →

What the models said about Novisto

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

“Beware the enterprise tools (Novisto, Sphera, Workiva's full suite) \u2014 these are custom-quoted” DeepSeek V4 Flash · budget prompt · hard negative
“users have reported complex setup processes and difficulties with data imports” GLM 4.7 FlashX · negative prompt · soft negative
“For most mid‑market B2B companies, Novisto offers the best combination of multi‑framework support, audit readiness, and mid‑market pricing.” GLM 4.7 FlashX · direct prompt · first choice
“Novisto is designed for mid-market organizations and private-market firms that need a structured, professional ESG reporting platform” Llama 4 Maverick · direct prompt · first choice
“the best default choice is Novisto if your main goal is structured ESG reporting” Perplexity Sonar · direct prompt · first choice

What the models said about Plan A

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

“unproven mid-market carbon tools like Sweep, Plan A, or lower-rated ones” Grok 4.1 Fast · negative prompt · soft negative
“For a broader range of compliance frameworks and a focus on decarbonisation, Plan A is a strong alternative.” Mistral Small · paraphrase prompt · first choice
“Sweep / Coolset / Plan A / ESG:ONE: These are specifically built for upper-mid-market companies.” Gemini 3.5 Flash · scale prompt · first choice
“If you want a single default recommendation, I'd choose Plan A for most mid-sized B2B companies” Perplexity Sonar · paraphrase 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.