Jamba 1.5 Large 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.
- PriceAmazon Nova Micro
Amazon Nova Micro is roughly 57.1× cheaper on output tokens ($0.14 vs $8.00 per 1M).
- Context windowJamba 1.5 Large
Jamba 1.5 Large 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.
- OpennessJamba 1.5 Large
Jamba 1.5 Large ships open weights (Jamba Open Model License); Amazon Nova Micro is API-only.
On balance Jamba 1.5 Large edges ahead, winning 2 of 5 categories against Amazon Nova Micro's 1. Amazon Nova Micro is roughly 57.1× cheaper on output tokens ($0.14 vs $8.00 per 1M). Jamba 1.5 Large 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. Jamba 1.5 Large ships open weights (Jamba Open Model License); Amazon Nova Micro is API-only.
Amazon Nova Micro is the newer of the two, released 3 months after Jamba 1.5 Large, which usually means a more recent knowledge cutoff and updated safety post-training. Jamba 1.5 Large is usually picked for long context and rag 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
| Spec | Jamba 1.5 Large | Amazon Nova Micro |
|---|---|---|
| Provider | AI21 | Other |
| Released | Aug 2024 | Dec 2024 |
| Modalities | text | text |
| Context window | 256K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | $2.00 / 1M tokens | $0.035 / 1M tokens |
| Output · 1M | $8.00 / 1M tokens | $0.14 / 1M tokens |
| Knowledge cutoff | , | , |
| Open weights | Yes (Jamba Open Model License) | No |
| API available | Yes | Yes |
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$18.00 vs $0.315
- Heavy usage, 1M in / 500k out per day$180 vs $3.15
- RAG workload, 5M in / 200k out per day$348 vs $6.09
Light usage, 100k in / 50k out per day: $18.00 vs $0.315 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $180 vs $3.15 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $348 vs $6.09 per month, model B comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Jamba 1.5 Large$0.600
- 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.
Jamba 1.5 Large fits when…
- 256k context
- Efficient long-context inference
- Open weights
- Long-context tasks, handles 256K tokens vs 128K for Amazon Nova Micro.
- Self-hosting and on-prem requirements, open weights (Jamba Open Model License).
Amazon Nova Micro fits when…
- Lowest-cost frontier-lab model
- Native AWS integration
- Generous 128k context for the price tier
- Cost-sensitive workloads, 57.1× cheaper than Jamba 1.5 Large on output tokens.
Consider Jamba 1.5 Mini
Smaller hybrid SSM-Transformer model, fast and efficient at long contexts.
Frequently asked
Is Jamba 1.5 Large or Amazon Nova Micro cheaper?
Amazon Nova Micro is cheaper at $0.14 / 1M tokens per million output tokens, vs $8.00 / 1M tokens for Jamba 1.5 Large.Which has the larger context window?
Jamba 1.5 Large accepts 256K tokens vs 128K for Amazon Nova Micro.Is Jamba 1.5 Large or Amazon Nova Micro better for coding?
Both Jamba 1.5 Large 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?
Jamba 1.5 Large ships open weights (Jamba Open Model License). Amazon Nova Micro is API-only.When were Jamba 1.5 Large and Amazon Nova Micro released?
Jamba 1.5 Large was released by AI21 on 2024-08-22. Amazon Nova Micro was released by Other on 2024-12-03.
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