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Ministral 3 14B 2512 vs Openai Gpt 4o Mini

This page is context-first: how much text each model can take in one request. Full specs adds capabilities and limits; the pricing matrix below is only about $/million tokens from hosts that list both models.

Mistral

Model

Ministral 3 14B 2512

Image inputTool calling

Context window

262K

262,144 tokens · ~197K words

Model page
Openai

Model

Openai Gpt 4o Mini

Context window

128K

128,000 tokens · ~96K words

Model page

Context window · side by side

Bar length is relative to the larger of the two windows (100% = max of this pair). This is not pricing.

Ministral 3 14B 2512262K
Openai Gpt 4o Mini128K

Ministral 3 14B 2512 has about 2× the context window of the other in this pair.

Ministral 3 14B 2512 has 104% more context capacity (262K vs 128K tokens).

Quick verdicts

Short takeaways — validate with your own workloads.

  • Long document processing

    Use Ministral 3 14B 2512. Its 262K context fits entire documents without chunking (vs 128K).

Full specs

Context, output, capabilities, and dates. Green highlights the favorable value where we compute a winner.

SpecMinistral 3 14B 2512Openai Gpt 4o Mini
Context window262,144 tokens (262K)128,000 tokens (128K)
Max output tokens262,144 tokens (262K)N/A
Speed tierFastFast
VisionYesNo
Function callingYesNo
Extended thinkingNoNo
Prompt cachingYesNo
Batch APINoYes
Release dateDec 2025N/A

Pricing matrix

Dollar rates only: hosts that list both models, per 1M tokens. For how much text fits, use the context section above — not this table.

ProviderMinistral 3 14B 2512 inMinistral 3 14B 2512 outOpenai Gpt 4o Mini inOpenai Gpt 4o Mini out
Gradient
Openrouter$0.200/M$0.200/M

Frequently asked questions

Ministral 3 14B 2512 has a larger context window: 262K tokens vs 128K. For long documents, large codebases, or extended agent sessions, the larger context window reduces the need to chunk inputs or summarize history.

Powered by Mem0

Use a smaller model.
Get better results.

Mem0 gives your AI long-term memory so you stop re-sending context on every call. That means you can use a smaller, faster, cheaper model — and still get better answers.

Example: a multi-turn chat session

Without Mem0~128K tokens sent
Full history
Repeated info
Old context
With Mem0~20K tokens sent
Key memories
Current turn

80% less to send — works with any model