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ESG and carbon reporting · November 2026 Edition

Persefoni vs Novisto

One of fourteen models named Persefoni first on the direct prompt; two named Novisto. Persefoni was named by thirteen of the fourteen models and Novisto by nine and Persefoni carries 30 labels and Novisto 13, so the shares are not directly comparable.

Persefoni

accepted challenger

Named in one category this edition.

Novisto

accepted challenger

Named in one category this edition.

First-choice share17%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate10%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#5A position in a field of 13; printed, not drawn.
Labels3013A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Persefoni reading right to left. Rank and label count are printed, not drawn.Sweep was named alongside these two in nine of the fourteen direct answers. Greenly vs Persefoni · Greenly vs Novisto · Persefoni vs Sweep

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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 fourteen models made each the first choice, per way of asking, and how many argued against it.
PersefoniFirst choices, of fourteen modelsNovisto
Direct12
Paraphrase102 against Persefoni
Comparative00
Budget-constrained701 against Persefoni · 1 against Novisto
Scale-constrained00
Negative00
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Persefoni and Novisto were named in the same answer nineteen times, of the 90 answers naming Persefoni and the 43 naming Novisto. In those answers Novisto took the first choice one time and Persefoni five.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Persefoni and Novisto stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Persefoni Novisto first choice named as an alternative argued againstblank: not namedEach cell is one answer, Persefoni on the left and Novisto on the right.

The direct prompt

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

Both were the first choice

1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.
Qwen 3.7 FlashNovisto, Persefoni alternatives: ESG:ONE, Sweep, Watershed

Novisto first, Persefoni not the choice

1 of 14 modelsPersefoni was named in the answer but not as the choice, or not at all.
MiniMax M2.5Novisto, Precoro ESG alternatives: IBM Envizi, Workiva ESG

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5EcoOnline ESG alternatives: Diligent ESG, Novisto, Sweep
Perplexity SonarNovata alternatives: Coolset, Greenly, Novisto, Sweep
Grok 4.20Sweep alternatives: Novisto, Persefoni

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniWorkiva ESG alternatives: FigBytes, Horizon ESG, KEY ESG, Metrio
Gemini 3.5 FlashGreenly alternatives: Gravity, KEY ESG, Novata, Sweep, Watershed
Mistral SmallEmerald Power, Horizon ESG alternatives: Metrio, Position Green
DeepSeek V4 FlashGreenly, cubemos alternatives: Emerald Power, Horizon ESG, Sweep
Llama 4 Maverickno first choice
Kimi K2ESG:ONE alternatives: Diligent ESG, EcoOnline ESG, Greenly
GLM 4.7 FlashXEmerald Power alternatives: Atlas Metrics, Greenly, Normative, Novato, Sweep
GPT-6 LunaSweep alternatives: Greenly, Workiva ESG
Muse Glimmer 30BEmerald Power alternatives: Coolset, ESG:ONE, Envoria, Normative, Sweep, cubemos

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
Persefoni leads by eighteen points.
Persefoni18%#2 of 17
Novisto0%#– of 17
The full small business standing →
Mid-marketThe figures above
Persefoni leads by thirteen points.
Persefoni17%#2 of 13
Novisto4%#5 of 13
The full mid-market standing →
Enterprise
Persefoni leads by four points.
Persefoni6%#4 of 11
Novisto2%#6 of 11
The full enterprise standing →

What the models said about Persefoni

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

“technically rigorous but are generally framed for enterprises & financial institutions with complex regulatory needs and pricing/complexity” Muse Glimmer 30B · paraphrase prompt · soft negative
“The paid tier jumps to ~$55k/year, which is unrealistic for most small companies.” DeepSeek V4 Flash · budget prompt · soft negative
“far more accessible than enterprise platforms like Persefoni ($50K–$200K)” DeepSeek V4 Flash · paraphrase prompt · soft negative
“It is widely considered the most accessible platform for companies that don't have a large sustainability team.” Qwen 3.7 Flash · direct prompt · first choice
“Best budget pick: Persefoni Pro—if your main need is carbon accounting and climate reporting.” GPT-6 Luna · budget prompt · first choice
“The best ESG reporting software for a company with a limited budget is Persefoni, which is free.” Llama 4 Maverick · budget prompt · first choice

What the models said about Novisto

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

“highly rated but typically require custom quotes and may be more suited to larger budgets” Mistral Small · budget prompt · soft negative
“Request demos from Persefoni (to test ease of use and cost) and Novisto (to test reporting capabilities).” Qwen 3.7 Flash · direct prompt · first choice
“I would recommend starting with Precoro ESG or Novisto based on their strong user ratings” MiniMax M2.5 · direct prompt · first choice
“Novisto is an ESG data and disclosure platform aimed at companies that need organized reporting workflows without the heaviest enterprise overhead” Claude Haiku 4.5 · direct prompt · alternative
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.