Jamba 1.5 Mini vs Sonar Pro
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Jamba 1.5 Mini specs · Sonar Pro specs- PriceJamba 1.5 Mini
Jamba 1.5 Mini is roughly 37.5× cheaper on output tokens ($0.40 vs $15.00 per 1M).
- Context windowJamba 1.5 Mini
Jamba 1.5 Mini accepts 256K tokens vs 200K, 1.3× 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 Mini
Jamba 1.5 Mini ships open weights (Jamba Open Model License); Sonar Pro is API-only.
On balance Jamba 1.5 Mini edges ahead, winning 3 of 5 categories against Sonar Pro's 0. Jamba 1.5 Mini is roughly 37.5× cheaper on output tokens ($0.40 vs $15.00 per 1M). Jamba 1.5 Mini accepts 256K tokens vs 200K, 1.3× 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 Mini ships open weights (Jamba Open Model License); Sonar Pro is API-only.
Sonar Pro is the newer of the two, released 5 months after Jamba 1.5 Mini, which usually means a more recent knowledge cutoff and updated safety post-training. Jamba 1.5 Mini is usually picked for long context and summarization workloads, while Sonar Pro sees more deployments in research agent and rag. 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 Mini | Sonar Pro |
|---|---|---|
| Provider | AI21 | Perplexity |
| Released | Aug 2024 | Jan 2025 |
| Modalities | text | text |
| Context window | 256K tokens | 200K tokens |
| Max output | , | , |
| Input · 1M | $0.20 / 1M tokens | $3.00 / 1M tokens |
| Output · 1M | $0.40 / 1M tokens | $15.00 / 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$1.20 vs $31.50
- Heavy usage, 1M in / 500k out per day$12.00 vs $315
- RAG workload, 5M in / 200k out per day$32.40 vs $540
Light usage, 100k in / 50k out per day: $1.20 vs $31.50 per month, model A comes out ahead. Heavy usage, 1M in / 500k out per day: $12.00 vs $315 per month, model A comes out ahead. RAG workload, 5M in / 200k out per day: $32.40 vs $540 per month, model A 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 Mini$0.040
- Sonar Pro$1.05
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 Mini fits when…
- 256k context at small-model price
- Hybrid SSM-Transformer is efficient on long inputs
- Open weights for self-hosting
- Cost-sensitive workloads, 37.5× cheaper than Sonar Pro on output tokens.
- Self-hosting and on-prem requirements, open weights (Jamba Open Model License).
Sonar Pro fits when…
- Multi-step web search
- Deep research output
- Citations
Consider Jamba 1.5 Large
AI21's hybrid SSM-Transformer with a 256k context window, strong on long-doc tasks.
Frequently asked
Is Jamba 1.5 Mini or Sonar Pro cheaper?
Jamba 1.5 Mini is cheaper at $0.40 / 1M tokens per million output tokens, vs $15.00 / 1M tokens for Sonar Pro.Which has the larger context window?
Jamba 1.5 Mini accepts 256K tokens vs 200K for Sonar Pro.Is Jamba 1.5 Mini or Sonar Pro better for coding?
Both Jamba 1.5 Mini and Sonar Pro 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 Mini ships open weights (Jamba Open Model License). Sonar Pro is API-only.When were Jamba 1.5 Mini and Sonar Pro released?
Jamba 1.5 Mini was released by AI21 on 2024-08-22. Sonar Pro was released by Perplexity on 2025-01-21.
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