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Head-to-head comparison

Mistral Large 3 2512 vs GPT-5.4 Nano

Mistral Large 3 2512 (Mistral AI) and GPT-5.4 Nano (OpenAI) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 17 August 2026

As of 17 August 2026, Mistral Large 3 2512 holds the stronger ModelCap Index position (#44 vs #46); GPT-5.4 Nano is 1.2× cheaper per output token ($1.25/1M vs $1.50/1M); and GPT-5.4 Nano offers the longer context window (400K vs 262K tokens).

Which should you choose?

Choose Mistral Large 3 2512 if…

  • you want the stronger overall ModelCap Index position — #44 against #46 (52.4 vs 52.1 points).
  • Arena coding is your yardstick — 1468 against 1460.

Choose GPT-5.4 Nano if…

  • API cost matters — $1.25/1M output tokens against $1.50/1M, about 1.2× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.20/1M against $0.50/1M.
  • you need the longer context window — 400K tokens against 262K.
  • you want provider choice — 2 listed API providers against 1.
  • you want the more recently listed model — GPT-5.4 Nano was listed 17 March 2026, Mistral Large 3 2512 1 December 2025.

Mistral Large 3 2512 vs GPT-5.4 Nano: specs, pricing and context

Specification comparison of Mistral Large 3 2512 and GPT-5.4 Nano
FieldMistral Large 3 2512Mistral AIGPT-5.4 NanoOpenAI
ModelCap Index position#44#46
Index score52.452.1
EvidenceMeasuredMeasured
Input price / 1M tokens$0.50$0.20
Output price / 1M tokens$1.50$1.25
Context window262K tokens400K tokens
Max output tokens—128K
API providers listed12
Weight accessAPI onlyAPI only
Input modalitiesText, Image, FileFile, Image, Text
First listed1 December 202517 March 2026
PublisherMistral AIOpenAI

Evidence: 2 public benchmark observations across 2 boards · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Mistral Large 3 2512 vs GPT-5.4 Nano

Public benchmark boards where Mistral Large 3 2512 or GPT-5.4 Nano has a published result
BoardMistral Large 3 2512GPT-5.4 NanoLeads
Arena codingArena (LMArena)14681463–147414601454–1466HighMistral Large 3 2512
ARC-AGI-2ARC Prize Foundation—5.7%X-HighOnly one result
Artificial Analysis Intelligence IndexArtificial Analysis—39.7intelligence-indexOnly one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Mistral Large 3 2512 vs GPT-5.4 Nano: common questions

Is Mistral Large 3 2512 better than GPT-5.4 Nano?

Mistral Large 3 2512 ranks higher on the ModelCap Index as of 17 August 2026: #44 against #46. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is Mistral Large 3 2512 cheaper than GPT-5.4 Nano?

GPT-5.4 Nano is cheaper on output tokens: $1.25/1M against $1.50/1M. Input tokens are $0.50/1M for Mistral Large 3 2512 and $0.20/1M for GPT-5.4 Nano. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Mistral Large 3 2512 or GPT-5.4 Nano?

GPT-5.4 Nano has the larger context window: 400K tokens against 262K.

Which is better for coding, Mistral Large 3 2512 or GPT-5.4 Nano?

Arena coding: Mistral Large 3 2512 1468, GPT-5.4 Nano 1460 — Mistral Large 3 2512 leads.

Are Mistral Large 3 2512 and GPT-5.4 Nano open-weight models?

Mistral Large 3 2512: API only. GPT-5.4 Nano: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Mistral Large 3 2512 and GPT-5.4 Nano?

ModelCap currently lists 1 API provider for Mistral Large 3 2512 and 2 for GPT-5.4 Nano, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Mistral Large 3 2512 vs GPT-5.4 Nano comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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