LLM·Dex

Granite 3.1 8B vs Jamba 1.5 Mini

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
  • PriceJamba 1.5 Mini

    Jamba 1.5 Mini publishes pricing ($0.40 / 1M output tokens) while Granite 3.1 8B does not.

  • Context windowJamba 1.5 Mini

    Jamba 1.5 Mini accepts 256K tokens vs 128K, 2.0× 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.

  • OpennessTie

    Both ship open weights, self-host either one.

On balance Jamba 1.5 Mini edges ahead, winning 2 of 5 categories against Granite 3.1 8B's 0. Jamba 1.5 Mini publishes pricing ($0.40 / 1M output tokens) while Granite 3.1 8B does not. Jamba 1.5 Mini accepts 256K tokens vs 128K, 2.0× 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. Both ship open weights, self-host either one.

Granite 3.1 8B is the newer of the two, released 4 months after Jamba 1.5 Mini, which usually means a more recent knowledge cutoff and updated safety post-training. Granite 3.1 8B is usually picked for enterprise llm and commercial use llm workloads, while Jamba 1.5 Mini sees more deployments in long context and summarization. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecGranite 3.1 8BJamba 1.5 Mini
ProviderOtherAI21
ReleasedDec 2024Aug 2024
Modalitiestexttext
Context window128K tokens256K tokens
Max output,,
Input · 1MPricing not published$0.20 / 1M tokens
Output · 1MPricing not published$0.40 / 1M tokens
Knowledge cutoff,,
Open weightsYes (Apache-2.0)Yes (Jamba Open Model License)
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, vs $1.20
  • Heavy usage, 1M in / 500k out per day, vs $12.00
  • RAG workload, 5M in / 200k out per day, vs $32.40

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.

  • Granite 3.1 8BPricing unavailable
  • Jamba 1.5 Mini$0.040

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 Granite 3.1 8B if

Granite 3.1 8B fits when…

  • Apache-2.0
  • Enterprise-friendly
  • IP-clean training
Pick Jamba 1.5 Mini if

Jamba 1.5 Mini fits when…

  • 256k context at small-model price
  • Hybrid SSM-Transformer is efficient on long inputs
  • Open weights for self-hosting
  • Long-context tasks, handles 256K tokens vs 128K for Granite 3.1 8B.
Don't want either?

Consider DBRX

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

Frequently asked

  • Is Granite 3.1 8B or Jamba 1.5 Mini 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?
    Jamba 1.5 Mini accepts 256K tokens vs 128K for Granite 3.1 8B.
  • Is Granite 3.1 8B or Jamba 1.5 Mini better for coding?
    Both Granite 3.1 8B and Jamba 1.5 Mini 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?
    Both ship with open weights. Granite 3.1 8B is licensed under Apache-2.0; Jamba 1.5 Mini under Jamba Open Model License.
  • When were Granite 3.1 8B and Jamba 1.5 Mini released?
    Granite 3.1 8B was released by Other on 2024-12-18. Jamba 1.5 Mini was released by AI21 on 2024-08-22.
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