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Comparison · 3 models · Updated Oct 4, 2026

Grok 4.1 Fast vs Ministral 3 14B vs Ministral 3 3B

Ministral 3 3B comes out ahead, 74 to 71 and 63 on our weighted score, and it is the cheaper option too.

  1. xAI

    Grok 4.1 Fast

    Released Nov 19, 2025

    71/100
    • ECI—
    • Price$0.20 / $0.50
    • Context2M
  2. Mistral AI

    Ministral 3 14B

    Released Dec 2, 2025

    63/100
    • ECI—
    • Price$0.268 / $0.325
    • Context262K
  3. Our pick

    Mistral AI

    Ministral 3 3B

    Released Dec 2, 2025

    74/100
    • ECI—
    • Price$0.10 / $0.10
    • Context262K
01 — Verdict

Ministral 3 3B is our pick

Ministral 3 3B is the better all-round choice, scoring 74/100 against Grok 4.1 Fast (71) and Ministral 3 14B (63). It leads on price. Grok 4.1 Fast wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

  • CapabilityNot enough dataNo independent benchmark covers every model here yet
  • Lowest priceMinistral 3 3BMinistral 3 3B $0.10 · Grok 4.1 Fast $0.275 · Ministral 3 14B $0.282 per 1M tokens (3:1 blend)
  • Longest contextGrok 4.1 FastGrok 4.1 Fast 2,000,000 · Ministral 3 14B 262,144 · Ministral 3 3B 262,144 tokens
  • Widest inputsSame inputsGrok 4.1 Fast: Text, Images · Ministral 3 14B: Text, Images · Ministral 3 3B: Text, Images
  • Self-hostingMinistral 3 14B and Ministral 3 3BPublishes downloadable weights (Apache 2.0)
How the score is built
MeasureWeightGrok 4.1 FastMinistral 3 14BMinistral 3 3B
Price50%767697
Inputs & features30%606060
Context window20%723737
Overall100%71/10063/10074/100

Left out because at least one model lacks the data: capability. The remaining weights were rescaled.

02 — Side by side

Every spec in one table

Highlighted cells lead their row. Dashes mean the data is not published.

Grok 4.1 Fast vs Ministral 3 14B vs Ministral 3 3B specifications side by side
SpecificationGrok 4.1 FastxAIMinistral 3 14BMistral AIMinistral 3 3BMistral AI
Capability
Capabilities Index (ECI)———
ECI rank———
Price per million tokens
Input$0.20$0.268$0.10 (best)
Output$0.50$0.325$0.10 (best)
Cached input———
Blended (3:1)$0.275$0.282$0.10 (best)
Long-context rateSame rateSame rateSame rate
Price sourceMedian of 2 providersMedian of 2 providersMedian of 1 providers
Limits
Context window2,000,000 tokens (best)262,144 tokens262,144 tokens
Max output30,000 tokens262,144 tokens (best)262,144 tokens (best)
Inputs and features
TextYesYesYes
ImagesYesYesYes
PDFsNoNoNo
AudioNoNoNo
VideoNoNoNo
ReasoningNoNoNo
Tool callingYesYesYes
Structured outputYesYesYes
Availability
WeightsProprietaryOpenApache 2.0OpenApache 2.0
API model ID———
API providers2 (best)2 (best)1
ReleasedNov 19, 2025Dec 2, 2025Dec 2, 2025
Knowledge cutoff———
03 — Cost

What would a month cost?

Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.

  • Grok 4.1 Fast$3.00
  • Ministral 3 14B$3.33
  • Ministral 3 3B$1.20
04 — Questions

Which should you choose?

Which is better: Grok 4.1 Fast, Ministral 3 14B or Ministral 3 3B?

Ministral 3 3B is the better all-round choice, scoring 74/100 against Grok 4.1 Fast (71) and Ministral 3 14B (63). It leads on price. Grok 4.1 Fast wins on context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.

Which is cheaper, Grok 4.1 Fast, Ministral 3 14B or Ministral 3 3B?

Ministral 3 3B is cheaper at $0.10 input / $0.10 output per million tokens (median across 1 API provider). Grok 4.1 Fast costs $0.20 input / $0.50 output per million tokens (median across 2 API providers); Ministral 3 14B costs $0.268 input / $0.325 output per million tokens (median across 2 API providers). At a typical mix of three input tokens to one output token, that is $0.10 per million tokens for Ministral 3 3B versus $0.275 for Grok 4.1 Fast (2.8× as much) and $0.282 for Ministral 3 14B (2.8× as much).

Which scores higher on benchmarks?

There is no independent benchmark that covers all three models yet. Grok 4.1 Fast has not been scored yet, Ministral 3 14B has not been scored yet and Ministral 3 3B has not been scored yet.

Which is better for coding?

There are no published SWE-bench Verified results for Grok 4.1 Fast, Ministral 3 14B and Ministral 3 3B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.

Which has the bigger context window?

Grok 4.1 Fast has the largest context window at 2,000,000 tokens, against 262,144 for Ministral 3 14B and 262,144 for Ministral 3 3B. Maximum output per response: Grok 4.1 Fast up to 30,000, Ministral 3 14B up to 262,144, Ministral 3 3B up to 262,144 tokens.

Which can read images, PDFs, audio or video?

Grok 4.1 Fast accepts text and images; Ministral 3 14B accepts text and images; Ministral 3 3B accepts text and images. They handle the same number of input types.

Are any of these open source?

Ministral 3 14B and Ministral 3 3B publishes its weights (Apache 2.0) and can be self-hosted; Grok 4.1 Fast is proprietary.

Which is newer?

Ministral 3 14B is the newest, released Dec 2, 2025. Ministral 3 3B came out Dec 2, 2025; Grok 4.1 Fast came out Nov 19, 2025.

How do you decide the winner?

Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.