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GPT-4o mini vs Amazon Nova Micro

A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.

Updated

GPT-4o mini specs · Amazon Nova Micro specs
Verdict by category
  • PriceAmazon Nova Micro

    Amazon Nova Micro is roughly 4.3× cheaper on output tokens ($0.14 vs $0.60 per 1M).

  • Context windowTie

    Both ship a 128K-token context window.

  • BenchmarksTie

    No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.

  • ModalitiesGPT-4o mini

    GPT-4o mini supports 2 modalities (text, vision) vs 1 for Amazon Nova Micro.

  • OpennessTie

    Both are closed-weight, API-only.

It's a genuine coin-flip between GPT-4o mini and Amazon Nova Micro: 1 category wins each, with the rest tied. Amazon Nova Micro is roughly 4.3× cheaper on output tokens ($0.14 vs $0.60 per 1M). Both ship a 128K-token context window.

No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, GPT-4o mini handles text, vision while Amazon Nova Micro handles text, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.

Amazon Nova Micro is the newer of the two, released 5 months after GPT-4o mini, which usually means a more recent knowledge cutoff and updated safety post-training. GPT-4o mini is usually picked for customer support and summarization workloads, while Amazon Nova Micro sees more deployments in cheapest llm and fastest llm. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecGPT-4o miniAmazon Nova Micro
ProviderOpenAIOther
ReleasedJul 2024Dec 2024
Modalitiestext, visiontext
Context window128K tokens128K tokens
Max output,,
Input · 1M$0.15 / 1M tokens$0.035 / 1M tokens
Output · 1M$0.60 / 1M tokens$0.14 / 1M tokens
Knowledge cutoff,,
Open weightsNoNo
API availableYesYes

Pricing at scale

What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.

  • Light usage, 100k in / 50k out per day$1.35 vs $0.315
  • Heavy usage, 1M in / 500k out per day$13.50 vs $3.15
  • RAG workload, 5M in / 200k out per day$26.10 vs $6.09

Light usage, 100k in / 50k out per day: $1.35 vs $0.315 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $13.50 vs $3.15 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $26.10 vs $6.09 per month, model B comes out ahead.

Price calculator

Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.

  • GPT-4o mini$0.045
  • Amazon Nova Micro$0.011

Benchmarks compared

Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.

GPT-4o miniAmazon Nova Micro
  • MMLU82.0
Pick GPT-4o mini if

GPT-4o mini fits when…

  • Cheap
  • Fast
  • Mature
  • Multimodal needs covering vision.
Pick Amazon Nova Micro if

Amazon Nova Micro fits when…

  • Lowest-cost frontier-lab model
  • Native AWS integration
  • Generous 128k context for the price tier
  • Cost-sensitive workloads, 4.3× cheaper than GPT-4o mini on output tokens.
Don't want either?

Consider GPT-5.5

OpenAI's mid-cycle GPT-5 refresh, improved reasoning, tool use, and multimodal grounding over the 2025 launch.

See GPT-5.5 specsGPT-4o mini vs GPT-5.5Amazon Nova Micro vs GPT-5.5

Frequently asked

  • Is GPT-4o mini or Amazon Nova Micro cheaper?
    Amazon Nova Micro is cheaper at $0.14 / 1M tokens per million output tokens, vs $0.60 / 1M tokens for GPT-4o mini.
  • Which has the larger context window?
    Both GPT-4o mini and Amazon Nova Micro ship a 128K-token context window.
  • Is GPT-4o mini or Amazon Nova Micro better for coding?
    Both GPT-4o mini and Amazon Nova Micro are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.
  • Are either of these models open source?
    Neither model ships open weights, both are accessible only via their respective providers' APIs.
  • When were GPT-4o mini and Amazon Nova Micro released?
    GPT-4o mini was released by OpenAI on 2024-07-18. Amazon Nova Micro was released by Other on 2024-12-03.
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