Sonar Large vs Yi-Lightning
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Sonar Large specs · Yi-Lightning specs- PriceYi-Lightning
Yi-Lightning is roughly 7.1× cheaper on output tokens ($0.14 vs $1.00 per 1M).
- Context windowSonar Large
Sonar Large accepts 127K tokens vs 16K, 7.9× 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 are closed-weight, API-only.
It's a genuine coin-flip between Sonar Large and Yi-Lightning: 1 category wins each, with the rest tied. Yi-Lightning is roughly 7.1× cheaper on output tokens ($0.14 vs $1.00 per 1M). Sonar Large accepts 127K tokens vs 16K, 7.9× 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 are closed-weight, API-only.
Sonar Large is the newer of the two, released 1 months after Yi-Lightning, which usually means a more recent knowledge cutoff and updated safety post-training. Sonar Large is usually picked for research agent and rag workloads, while Yi-Lightning sees more deployments in chinese llm and cheapest llm. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Sonar Large | Yi-Lightning |
|---|---|---|
| Provider | Perplexity | Other |
| Released | Nov 2024 | Oct 2024 |
| Modalities | text | text |
| Context window | 127K tokens | 16K tokens |
| Max output | , | , |
| Input · 1M | $1.00 / 1M tokens | $0.14 / 1M tokens |
| Output · 1M | $1.00 / 1M tokens | $0.14 / 1M tokens |
| Knowledge cutoff | , | , |
| Open weights | No | 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$4.50 vs $0.630
- Heavy usage, 1M in / 500k out per day$45.00 vs $6.30
- RAG workload, 5M in / 200k out per day$156 vs $21.84
Light usage, 100k in / 50k out per day: $4.50 vs $0.630 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $45.00 vs $6.30 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $156 vs $21.84 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.
- Sonar Large$0.150
- Yi-Lightning$0.021
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
Sonar Large fits when…
- Web-search grounded
- Citation-first output
- Cheap
- Long-context tasks, handles 127K tokens vs 16K for Yi-Lightning.
Yi-Lightning fits when…
- Cheap
- Strong Chinese
- Fast
- Cost-sensitive workloads, 7.1× cheaper than Sonar Large on output tokens.
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Frequently asked
Is Sonar Large or Yi-Lightning cheaper?
Yi-Lightning is cheaper at $0.14 / 1M tokens per million output tokens, vs $1.00 / 1M tokens for Sonar Large.Which has the larger context window?
Sonar Large accepts 127K tokens vs 16K for Yi-Lightning.Is Sonar Large or Yi-Lightning better for coding?
Both Sonar Large and Yi-Lightning 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 Sonar Large and Yi-Lightning released?
Sonar Large was released by Perplexity on 2024-11-19. Yi-Lightning was released by Other on 2024-10-16.
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