LLM·Dex

Amazon Nova Micro vs Reka Flash 3

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

Verdict by category
  • PriceAmazon Nova Micro

    Amazon Nova Micro publishes pricing ($0.14 / 1M output tokens) while Reka Flash 3 does not.

  • Context windowAmazon Nova Micro

    Amazon Nova Micro accepts 128K tokens vs 32K, 4.0× the room for long documents and codebases.

  • BenchmarksTie

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

  • ModalitiesTie

    Both handle text.

  • OpennessReka Flash 3

    Reka Flash 3 ships open weights (Apache-2.0); Amazon Nova Micro is API-only.

On balance Amazon Nova Micro edges ahead, winning 2 of 5 categories against Reka Flash 3's 1. Amazon Nova Micro publishes pricing ($0.14 / 1M output tokens) while Reka Flash 3 does not. Amazon Nova Micro accepts 128K tokens vs 32K, 4.0× the room for long documents and codebases.

No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. Both target the same set of modalities (text), so the deciding factors are price, context, and raw quality. Reka Flash 3 ships open weights (Apache-2.0); Amazon Nova Micro is API-only.

Reka Flash 3 is the newer of the two, released 3 months after Amazon Nova Micro, which usually means a more recent knowledge cutoff and updated safety post-training. Amazon Nova Micro is usually picked for cheapest llm and fastest llm workloads, while Reka Flash 3 sees more deployments in reasoning and open source llm. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecAmazon Nova MicroReka Flash 3
ProviderOtherOther
ReleasedDec 2024Mar 2025
Modalitiestexttext
Context window128K tokens32K tokens
Max output,,
Input · 1M$0.035 / 1M tokensPricing not published
Output · 1M$0.14 / 1M tokensPricing not published
Knowledge cutoff,,
Open weightsNoYes (Apache-2.0)
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$0.315 vs ,
  • Heavy usage, 1M in / 500k out per day$3.15 vs ,
  • RAG workload, 5M in / 200k out per day$6.09 vs ,

Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).

Price calculator

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

  • Amazon Nova Micro$0.011
  • Reka Flash 3Pricing unavailable

Benchmarks compared

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

Benchmark scores not yet available. We only publish numbers we can source from official model cards or independent leaderboards, see methodology.
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
  • Long-context tasks, handles 128K tokens vs 32K for Reka Flash 3.
Pick Reka Flash 3 if

Reka Flash 3 fits when…

  • Apache-2.0 reasoning model
  • Extended thinking support
  • Self-hosting and on-prem requirements, open weights (Apache-2.0).
Don't want either?

Consider DBRX

Databricks' 132B MoE, a notable 2024 open-weight release tuned for enterprise.

Frequently asked

  • Is Amazon Nova Micro or Reka Flash 3 cheaper?
    Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.
  • Which has the larger context window?
    Amazon Nova Micro accepts 128K tokens vs 32K for Reka Flash 3.
  • Is Amazon Nova Micro or Reka Flash 3 better for coding?
    Both Amazon Nova Micro and Reka Flash 3 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?
    Reka Flash 3 ships open weights (Apache-2.0). Amazon Nova Micro is API-only.
  • When were Amazon Nova Micro and Reka Flash 3 released?
    Amazon Nova Micro was released by Other on 2024-12-03. Reka Flash 3 was released by Other on 2025-03-15.
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