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Head-to-head comparison

Granite 4.0 Micro vs GPT-4o-mini

Granite 4.0 Micro (IBM Granite) and GPT-4o-mini (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 3 September 2026

As of 3 September 2026, GPT-4o-mini holds the stronger ModelCap Index position (#211 vs #214); Granite 4.0 Micro is 5.4× cheaper per output token ($0.112/1M vs $0.60/1M); Granite 4.0 Micro offers the longer context window (131K vs 128K tokens); and Granite 4.0 Micro ships open weights.

Which should you choose?

Choose Granite 4.0 Micro if…

  • API cost matters — $0.112/1M output tokens against $0.60/1M, about 5.4× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.017/1M against $0.15/1M.
  • you need the longer context window — 131K tokens against 128K.
  • you want to self-host: Granite 4.0 Micro ships open weights while GPT-4o-mini is api only.
  • AA Humanity's Last Exam is your yardstick — 5.0% against 4.2%.
  • you want the more recently listed model — Granite 4.0 Micro was listed 20 October 2025, GPT-4o-mini 18 July 2024.

Choose GPT-4o-mini if…

  • you want the stronger overall ModelCap Index position — #211 against #214 (0.0 vs 0.0 points).
  • you want provider choice — 2 listed API providers against 1.
  • AA Intelligence Index is your yardstick — 6.7 against 2.0.

Granite 4.0 Micro vs GPT-4o-mini: specs, pricing and context

Specification comparison of Granite 4.0 Micro and GPT-4o-mini
FieldGranite 4.0 MicroIBM GraniteGPT-4o-miniOpenAI
ModelCap Index position#214#211
Index score0.00.0
EvidenceMeasuredMeasured
Input price / 1M tokens$0.017$0.15
Output price / 1M tokens$0.112$0.60
Context window131K tokens128K tokens
Max output tokens118K16K
API providers listed12
Weight accessOpen weightsAPI only
Input modalitiesTextText, Image, File
First listed20 October 202518 July 2024
PublisherIBM GraniteOpenAI

Evidence: 1 public benchmark observation across 1 board · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Granite 4.0 Micro vs GPT-4o-mini

Public benchmark boards where Granite 4.0 Micro or GPT-4o-mini has a published result
BoardGranite 4.0 MicroGPT-4o-miniLeads
ARC-AGI-2ARC Prize Foundation—0.0%Only one result
AA Intelligence IndexArtificial Analysis2.0intelligence-index6.7intelligence-indexGPT-4o-mini
AA Terminal-Bench 2.1Artificial Analysis—5.6%terminal-bench-2.1Only one result
AA τ²-Bench TelecomArtificial Analysis12.6%tau2-bench-telecom—Only one result
AA Humanity's Last ExamArtificial Analysis5.0%humanitys-last-exam4.2%humanitys-last-examGranite 4.0 Micro

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.

Granite 4.0 Micro vs GPT-4o-mini: common questions

Is Granite 4.0 Micro better than GPT-4o-mini?

GPT-4o-mini ranks higher on the ModelCap Index as of 3 September 2026: #211 against #214. 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 Granite 4.0 Micro cheaper than GPT-4o-mini?

Granite 4.0 Micro is cheaper on output tokens: $0.112/1M against $0.60/1M. Input tokens are $0.017/1M for Granite 4.0 Micro and $0.15/1M for GPT-4o-mini. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Granite 4.0 Micro or GPT-4o-mini?

Granite 4.0 Micro has the larger context window: 131K tokens against 128K.

Which is better for coding, Granite 4.0 Micro or GPT-4o-mini?

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

Are Granite 4.0 Micro and GPT-4o-mini open-weight models?

Granite 4.0 Micro: Open weights. GPT-4o-mini: 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 Granite 4.0 Micro and GPT-4o-mini?

ModelCap currently lists 1 API provider for Granite 4.0 Micro and 2 for GPT-4o-mini, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Granite 4.0 Micro vs GPT-4o-mini comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 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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