Claude Opus 4.7 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
Claude Opus 4.7 specs · Yi-Lightning specs- PriceYi-Lightning
Yi-Lightning publishes pricing ($0.14 / 1M output tokens) while Claude Opus 4.7 does not.
- Context windowClaude Opus 4.7
Claude Opus 4.7 accepts 500K tokens vs 16K, 31.3× 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.
- ModalitiesClaude Opus 4.7
Claude Opus 4.7 supports 2 modalities (text, vision) vs 1 for Yi-Lightning.
- OpennessTie
Both are closed-weight, API-only.
On balance Claude Opus 4.7 edges ahead, winning 2 of 5 categories against Yi-Lightning's 1. Yi-Lightning publishes pricing ($0.14 / 1M output tokens) while Claude Opus 4.7 does not. Claude Opus 4.7 accepts 500K tokens vs 16K, 31.3× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude Opus 4.7 handles text, vision while Yi-Lightning handles text, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.
Claude Opus 4.7 is the newer of the two, released 16 months after Yi-Lightning, which usually means a more recent knowledge cutoff and updated safety post-training. Claude Opus 4.7 is usually picked for coding llm and coding agent 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 | Claude Opus 4.7 | Yi-Lightning |
|---|---|---|
| Provider | Anthropic | Other |
| Released | Feb 2026 | Oct 2024 |
| Modalities | text, vision | text |
| Context window | 500K 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 | 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, 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.
- Claude Opus 4.7Pricing 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.
Claude Opus 4.7 fits when…
- Strongest published SWE-bench Verified scores in agent settings
- Best-in-class writing quality and voice control
- Excellent long-context recall and citation discipline
- Long-context tasks, handles 500K tokens vs 16K for Yi-Lightning.
- Multimodal needs covering vision.
Yi-Lightning fits when…
- Cheap
- Strong Chinese
- Fast
Consider Claude Sonnet 4.6
Anthropic's mid-tier 4.6 release, the workhorse model behind most production Anthropic deployments.
Frequently asked
Is Claude Opus 4.7 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?
Claude Opus 4.7 accepts 500K tokens vs 16K for Yi-Lightning.Is Claude Opus 4.7 or Yi-Lightning better for coding?
Both Claude Opus 4.7 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 Claude Opus 4.7 and Yi-Lightning released?
Claude Opus 4.7 was released by Anthropic on 2026-02-15. Yi-Lightning was released by Other on 2024-10-16.
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