AI Models · Open-Source vs Paid

Phi 4 Open vs Mistral Large 3 2512 (batch) Paid

Phi 4 vs Mistral Large 3 2512 (batch) compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

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

Phi 4OpenMicrosoft
$0.07 /M input
$0.14 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window16K tokens
MultimodalNo
Self-hostYes
Mistral Large 3 2512 (batch)PaidMistral AI
$0.25 /M input
$0.75 /M outputManaged API (no infra to run)
TypeProprietary
Context window262K tokens
MultimodalYes
Self-hostNo
Choose Phi 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 Mistral Large 3 2512 (batch) if you want frontier capability through a managed API with zero infrastructure to run.

Phi 4 vs Mistral Large 3 2512 (batch) specs

SpecPhi 4Mistral Large 3 2512 (batch)Winner
MakerMicrosoftMistral AI
TypeOpen-weightProprietaryPhi 4
Context window16K tokens262K tokensMistral Large 3 2512 (batch)
Input price$0.07/M · free self-host$0.25/MPhi 4
Output price$0.14/M · free self-host$0.75/MPhi 4
Vision / multimodalNoYesMistral Large 3 2512 (batch)
Tool / function callingNoYesMistral Large 3 2512 (batch)
Self-hostableYesNo (API only)Phi 4
LicenseMITProprietaryPhi 4

Price gap & when to choose each

5.4×cheaper per output token

Phi 4 is ~5.4× cheaper than Mistral Large 3 2512 (batch) on output tokens ($0.14 vs $0.75 per M tokens).

Choose Phi 4 if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
Choose Mistral Large 3 2512 (batch) if…
  • You want frontier performance through a managed API
  • You need the longer 262K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityPhi 4Mistral Large 3 2512 (batch)
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Phi 4 vs Mistral Large 3 2512 (batch)

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

Phi 4 delivers 2.1× more intelligence per dollar.
Phi 4
Mistral Large 3 2512 (batch)
Intelligence index
5.9
9.7
Math index
18
38
GPQA
57.5%
68%
MMLU-Pro
71.4%
80.7%
Humanity's Last Exam
3.8%
4.2%
Long Context Reasoning
0%
36%
LiveCodeBench
23.1%
46.5%
MATH-500
81%
AIME
14.3%
AIME 2025
18%
38%
IFBench
23.5%
36.2%
τ²-Bench
0%
24.6%
Terminal-Bench Hard
3.8%
15.9%
Coding index
20.1
SciCode
36.6%
τ-Bench Banking
5.8%
Terminal-Bench
12%
Speed
43.7 tok/s
81.3 tok/s
Latency
0.95s
0.68s
Intelligence per $
26.9
12.9

Benchmark data by Artificial Analysis.

How Phi 4 and Mistral Large 3 2512 (batch) score

🏆 Best value & openness: Phi 4 (3.8 vs 3.3 / 5)
CriterionPhi 4Mistral Large 3 2512 (batch)
Cost-efficiency5.05.0
Context window2.04.0
Openness5.01.5
Self-hosting5.01.0
Multimodality2.05.0

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

Phi 4 Open

Microsoft · Open-weight

[Microsoft Research](/microsoft) Phi-4 is designed to perform well in complex reasoning tasks and can operate efficiently in situations with limited memory or where quick responses are needed. At 14 billion...

Mistral Large 3 2512 (batch) Paid

Mistral AI · Proprietary

Mistral Large 3 2512 is Mistral’s most capable model to date, featuring a sparse mixture-of-experts architecture with 41B active parameters (675B total), and released under the Apache 2.0 license.

Frequently asked questions

Is Phi 4 as good as Mistral Large 3 2512 (batch)?

Phi 4 is open-weight and competitive on many tasks, but Mistral Large 3 2512 (batch) 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 Phi 4 locally?

Yes. Phi 4 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Mistral Large 3 2512 (batch) is API-only and cannot be self-hosted.

How much cheaper is Phi 4?

Phi 4 costs $0.14/M output vs $0.75/M for Mistral Large 3 2512 (batch) — roughly 5x cheaper via API, and free if you self-host.

Phi 4 vs Mistral Large 3 2512 (batch) — which should I pick in 2026?

Choose Phi 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 Mistral Large 3 2512 (batch) if you want frontier capability through a managed API with zero infrastructure to run.

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