Compare / Meta vs Mistral AI

AI labs compared · October 2026

Meta vs Mistral AI: which AI lab is ahead?

Each lab's best model on sale goes head to head on every kind of work we measure, from our own benchmarks and licensed sources. 21 models in all; a lab is only as good as the model you would actually pick from it.

9 models on sale with our resultsMeta Best: Muse Spark 1.3 · newest: Muse Spark 1.3
12 models on sale with our resultsMistral AI Best: Mistral Large 4 · newest: Mistral Large 4
Meta wins 5Mistral AI wins 3

Kinds of work led by each lab's best model there, of the 8 both are measured on.

Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe). Models on sale means listed on OpenRouter today.

Meta or Mistral AI? The short answer

Meta is ahead: its best models beat Mistral AI's in 5 of the 8 kinds of work both are measured on; Mistral AI leads in 3.

  • Pick Meta for product listings, decks from an analysis, agents and tool use, reasoning and knowledge and writing.
  • Pick Mistral AI for marketing planning, sticking to the facts and speed under pressure.
  • On our overall leaderboard, Muse Spark 1.3 is #6 (65 of 100) and Mistral Large 4 is #17 (37).
  • Prices start at $0.058 per million tokens for Meta (Llama 3.1 8B Instruct) and $0.058 for Mistral AI (Mistral Small 3).

Head to head

65Muse Spark 1.3
Best Spring Prompt overall score
37Mistral Large 4
48.1Muse Spark 1.3
Best Intelligence Index
38.4Mistral Large 4
$2.00Muse Spark 1.3
Flagship price, per million tokens
$2.06Mistral Large 4
$0.058Llama 3.1 8B Instruct
Cheapest model, per million tokens
$0.058Mistral Small 3
9
Models on sale with our results
12

Each line names the model behind the number. Prices are blended, three input tokens to one output, at the developer's list price where we have read it; see every model's price. Intelligence Index from Artificial Analysis; overall score from our leaderboard.

Which lab is better for what

For each kind of work, each lab's best model there and its rank among every model on sale. Further right is better; the better rank is in green.

Product listingsTurning a sparse product feed and photos into listings that can go live 9 of 20Muse Spark 1.3 14 of 20Mistral Medium 3.5
Decks from an analysisTurning a finished analysis into a deck you could present as it is 14 of 19Muse Spark 1.3 16 of 19Mistral Medium 3.5
User surveysPlanning a user survey and reading its results without being misled not measured 4 of 8Mistral Large 4
Marketing planningPlanning a year of ad spend without overspending 12 of 19Muse Spark 1.3 10 of 19Mistral Large 4
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 9 of 164Muse Spark 1.3 21 of 164Mistral Large 4
Professional workReal tasks from banking, consulting and law, business documents and freelance projects 8 of 51Muse Spark 1.3 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 8 of 198Muse Spark 1.3 44 of 198Mistral Large 4
WritingWhat people prefer in blind comparisons, and judged writing quality 5 of 188Muse Spark 1.3 86 of 188Mistral Medium 3.5
Sticking to the factsSummarising without inventing things, and factual answers 11 of 152Muse Spark 1.3 9 of 152Mistral Small 3
Speed under pressureGood decisions against a real clock (fast chess) 19 of 22Muse Spark 1.3 8 of 22Mistral Medium 3.5

Every model, by intelligence and price

Each dot is a model on sale with an Intelligence Index from Artificial Analysis. Up is smarter; left is cheaper. Hover or tap a dot for its name.

MetaMistral AI

0204060 $0.01$0.1$1$10 Price per million tokens, blended (log scale) Intelligence Index Muse Spark 1.3Muse Spark 1.2Muse Spark 1.1Mistral Large 4Mistral Medium 3.5Mistral Small 4

On our overall leaderboard

The 3 of their models we rank overall: one score out of 100 across everything we publish (how the score works). Only models with enough of our own results are ranked.

  1. #6Muse Spark 1.365
  2. #17Mistral Large 437
  3. #20Mistral Medium 3.518

Benchmark by benchmark

The headline result of every benchmark both labs have models on: each lab's best model and its rank among the models on sale. Green marks the better rank.

MeasureMetaMistral AI
Agents and tool use
Berkeley Function Calling Leaderboard (BFCL) V4 · Overall accuracy · BFCL% correct, higher is better 31.9%Llama 3.3 70B Instruct · 26 of 3837.7%Mistral Medium 3 · 21 of 38
Artificial Analysis · Terminal-Bench 4.0% of tasks, higher is better 33.3%Muse Spark 1.3 · 14 of 10526.8%Mistral Large 4 · 17 of 105
Artificial Analysis · Terminal-Bench 2.1% of tasks, higher is better 85.4%Muse Spark 1.3 · 10 of 11550.6%Mistral Medium 3.5 · 58 of 115
Artificial Analysis · τ-bench banking% of tasks, higher is better 50.5%Muse Spark 1.3 · 2 of 11315.1%Mistral Medium 3.5 · 57 of 113
Decks from an analysis
DeckBench · Deck ratingrating, higher is better 821Muse Spark 1.3 · 14 of 19646Mistral Medium 3.5 · 16 of 19
Marketing planning
ROASBench · Overall scorescore out of 100, higher is better 34.1Muse Spark 1.3 · 12 of 1937.0Mistral Large 4 · 10 of 19
Product listings
CatalogBench · Reliably publish-ready% of products, higher is better 48.2%Muse Spark 1.3 · 7 of 2017.9%Mistral Medium 3.5 · 16 of 20
CatalogBench · Reliably publish-ready · sales brief% of products, higher is better 10.7%Muse Spark 1.3 · 9 of 2010.7%Mistral Medium 3.5 · 9 of 20
Reasoning and knowledge
Artificial Analysis · Artificial Analysis Intelligence Indexindex score, higher is better 48.1Muse Spark 1.3 · 8 of 19838.4Mistral Large 4 · 29 of 198
Artificial Analysis · Humanity's Last Exam% of questions, higher is better 48.7%Muse Spark 1.3 · 10 of 19735.0%Mistral Large 4 · 54 of 197
Artificial Analysis · GPQA Diamond% of questions, higher is better 94.1%Muse Spark 1.3 · 5 of 18776.9%Mistral Small 4 · 112 of 187
Speed under pressure
BulletBench · Ladder Elo · Bullet 60sladder Elo, higher is better 33Muse Spark 1.3 · 17 of 20572Mistral Medium 3.5 · 6 of 20
Sticking to the facts
Vectara Hallucination Leaderboard · Hallucination rate · Vectara% of summaries, lower is better 7.7%Llama 4 Scout · 27 of 795.1%Mistral Small 3 · 6 of 79
Arena (formerly LMArena) · Overall · Text factualityArena rating, higher is better 1,483Muse Spark 1.2 · 9 of 1131,434Mistral Large 3 · 71 of 113
Writing
Arena (formerly LMArena) · Overall · TextArena rating, higher is better 1,494Muse Spark 1.3 · 7 of 1661,427Mistral Medium 3.5 · 73 of 166
UGI Leaderboard · Writing score · UGIscore out of 100, higher is better 26.7Llama 4 Scout · 120 of 13845.5Mistral Medium 3.5 · 68 of 138

Their models, one against one

Quick answers

Is Meta or Mistral AI better?

Meta is ahead: its best models beat Mistral AI's in 5 of the 8 kinds of work both are measured on; Mistral AI leads in 3.

What is Meta's best model?

Muse Spark 1.3: #6 on the Spring Prompt overall leaderboard and 48.1 on the Artificial Analysis Intelligence Index.

What is Mistral AI's best model?

Mistral Large 4: #17 on the Spring Prompt overall leaderboard and 38.4 on the Artificial Analysis Intelligence Index.

Which is better for agents and tool use, Meta or Mistral AI?

Meta: its best model there, Muse Spark 1.3, ranks 9 of 164 models on sale, against 21 for Mistral AI's Mistral Large 4.

Which is better for reasoning and knowledge, Meta or Mistral AI?

Meta: its best model there, Muse Spark 1.3, ranks 8 of 198 models on sale, against 44 for Mistral AI's Mistral Large 4.

Which is better for writing, Meta or Mistral AI?

Meta: its best model there, Muse Spark 1.3, ranks 5 of 188 models on sale, against 86 for Mistral AI's Mistral Medium 3.5.

Which is cheaper, Meta or Mistral AI?

Mistral AI's cheapest model with results, Mistral Small 3, costs $0.058 per million tokens (three input to one output), against $0.058 for Llama 3.1 8B Instruct from Meta.

Other labs compared

Which model is best for your product?

Benchmarks aren't your data. We test the models from Meta, Mistral AI and the rest on your own tasks, with the cost of every answer.

Talk to usSee the leaderboard