AI Models · Open-Source vs Paid

Mistral Large 4 Open vs Sonar Pro Paid

Mistral Large 4 vs Sonar Pro compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Sonar Pro — full profile ›

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Mistral Large 4OpenMistral AI

$1.36 /M input
$4.18 /M outputNo per-token fees if you self-host

TypeOpen-weight

Context window1M tokens

MultimodalYes

Self-hostYes

Sonar ProPaidPerplexity

$3 /M input
$15 /M outputManaged API (no infra to run)

TypeProprietary

Context window200K tokens

MultimodalYes

Self-hostNo

Choose Mistral Large 4 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Sonar Pro if you want frontier capability through a managed API with zero infrastructure to run.

Mistral Large 4 vs Sonar Pro specs

Spec	Mistral Large 4	Sonar Pro	Winner
Maker	Mistral AI	Perplexity	–
Type	Open-weight	Proprietary	Mistral Large 4
Context window	1M tokens	200K tokens	Mistral Large 4
Input price	$1.36/M · free self-host	$3/M	Mistral Large 4
Output price	$4.18/M · free self-host	$15/M	Mistral Large 4
Vision / multimodal	Yes	Yes	= Tie
Tool / function calling	Yes	No	Mistral Large 4
Self-hostable	Yes	No (API only)	Mistral Large 4
License	Apache 2.0	Proprietary	Mistral Large 4

Price gap & when to choose each

3.6×cheaper per output token

Mistral Large 4 is ~3.6× cheaper than Sonar Pro on output tokens ($4.18 vs $15 per M tokens).

Choose Mistral Large 4 if…

You want to self-host or run on your cloud
You need the longer 1M context window
You prioritize data privacy & control
You want the lowest operating costs
You are building open or reproducible AI

Choose Sonar Pro if…

You want frontier performance through a managed API
You value reliability & ecosystem
You don't want to manage infrastructure

Feature comparison

Capability	Mistral Large 4	Sonar Pro
Open weights (downloadable)	✓	✗
Self-hostable	✓	✗
Runs fully offline	✓	✗
Vision / multimodal	✓	✓
Tool / function calling	✓	✗
1M+ context window	✓	✗

Benchmarks: Mistral Large 4 vs Sonar Pro

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Mistral Large 4

Sonar Pro

Intelligence index

38.4

7.6

Humanity's Last Exam

35%

6.6%

Long Context Reasoning

81.3%

–

SciCode

54.2%

–

GPQA

–

57.8%

MMLU-Pro

–

75.5%

LiveCodeBench

–

27.5%

MATH-500

–

74.5%

AIME

–

29%

Speed

118.2 tok/s

0 tok/s

Latency

0.77s

Intelligence per $

18.6

–

Benchmark data by Artificial Analysis.

How Mistral Large 4 and Sonar Pro score

🏆 Best value & openness: Mistral Large 4 (4.8 vs 2.6 / 5)

Criterion	Mistral Large 4	Sonar Pro
Cost-efficiency	4.0	3.0
Context window	5.0	4.0
Openness	5.0	1.5
Self-hosting	5.0	1.0
Multimodality	5.0	3.5

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Mistral Large 4 Open

Mistral AI · Open-weight

Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 1M-token context window with up...

Sonar Pro Paid

Perplexity · Proprietary

Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) For enterprises seeking more advanced capabilities, t

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked

Mistral Medium 3.5Mistral Medium 3.5 (batch)Mistral Small 4Mistral Large 3 2512Mistral Medium 3.1Mistral Medium 3Devstral 2 2512Mistral Small 3.1 24BMistral Small 3.2 24BMistral LargeMistral Large 2407Mistral Small 3SabaMinistral 3 14B 2512Mixtral 8x22B InstructMinistral 3 8B 2512Ministral 3 3B 2512UncensoredCodestral 2508Voxtral Small 24B 2507Mistral Nemo

Frequently asked questions

Is Mistral Large 4 as good as Sonar Pro?

Mistral Large 4 is open-weight and competitive on many tasks, but Sonar Pro may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Mistral Large 4 locally?

Yes. Mistral Large 4 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Sonar Pro is API-only and cannot be self-hosted.

How much cheaper is Mistral Large 4?

Mistral Large 4 costs $4.18/M output vs $15/M for Sonar Pro — roughly 4x cheaper via API, and free if you self-host.

Mistral Large 4 vs Sonar Pro — which should I pick in 2026?

Choose Mistral Large 4 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Sonar Pro if you want frontier capability through a managed API with zero infrastructure to run.

People also compare

DeepSeek V4.1 Flash 1017 vs Sonar Pro GLM 5.3 (batch) vs Sonar Pro Hy3 vs Sonar Pro Nemotron 3.5 Super VL vs Sonar Pro MiMo-V2.6-Pro vs Sonar Pro Step 5 Preview vs Sonar Pro

Explore more open-source AI

Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.

Open the leaderboard →