Reka Flash 3 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
Reka Flash 3 specs · Yi-Lightning specs- PriceYi-Lightning
Yi-Lightning publishes pricing ($0.14 / 1M output tokens) while Reka Flash 3 does not.
- Context windowReka Flash 3
Reka Flash 3 accepts 32K tokens vs 16K, 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.
- OpennessReka Flash 3
Reka Flash 3 ships open weights (Apache-2.0); Yi-Lightning is API-only.
On balance Reka Flash 3 edges ahead, winning 2 of 5 categories against Yi-Lightning's 1. Yi-Lightning publishes pricing ($0.14 / 1M output tokens) while Reka Flash 3 does not. Reka Flash 3 accepts 32K tokens vs 16K, 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. Reka Flash 3 ships open weights (Apache-2.0); Yi-Lightning is API-only.
Reka Flash 3 is the newer of the two, released 5 months after Yi-Lightning, which usually means a more recent knowledge cutoff and updated safety post-training. Reka Flash 3 is usually picked for reasoning and open source llm 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 | Reka Flash 3 | Yi-Lightning |
|---|---|---|
| Provider | Other | Other |
| Released | Mar 2025 | Oct 2024 |
| Modalities | text | text |
| Context window | 32K tokens | 16K tokens |
| Max output | , | , |
| Input · 1M | Pricing not published | $0.14 / 1M tokens |
| Output · 1M | Pricing not published | $0.14 / 1M tokens |
| Knowledge cutoff | , | , |
| Open weights | Yes (Apache-2.0) | 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, vs $0.630
- Heavy usage, 1M in / 500k out per day, vs $6.30
- RAG workload, 5M in / 200k out per day, vs $21.84
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).
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Reka Flash 3Pricing unavailable
- 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.
Reka Flash 3 fits when…
- Apache-2.0 reasoning model
- Extended thinking support
- Long-context tasks, handles 32K tokens vs 16K for Yi-Lightning.
- Self-hosting and on-prem requirements, open weights (Apache-2.0).
Yi-Lightning fits when…
- Cheap
- Strong Chinese
- Fast
Consider DBRX
Databricks' 132B MoE, a notable 2024 open-weight release tuned for enterprise.
Frequently asked
Is Reka Flash 3 or Yi-Lightning 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?
Reka Flash 3 accepts 32K tokens vs 16K for Yi-Lightning.Is Reka Flash 3 or Yi-Lightning better for coding?
Both Reka Flash 3 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?
Reka Flash 3 ships open weights (Apache-2.0). Yi-Lightning is API-only.When were Reka Flash 3 and Yi-Lightning released?
Reka Flash 3 was released by Other on 2025-03-15. Yi-Lightning was released by Other on 2024-10-16.
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