All tasks / Models
zerank-2
ZeroEntropy's 4B multilingual reranker, available by API and as open weights; smaller and nano tiers exist.
- ZeroEntropy
- Open weights
- Released Nov 2025
Where it ranks
- –Embeddings & retrievalModels · Local · no result on this task’s benchmarks yet
Facts
- Vendor
- ZeroEntropy
- Family
- zerank
- Released
- Nov 2025
- Weights
- Open: download and run it yourself
- License
- Apache-2.0
- Parameters
- 4.02B
- GPU memory to run locally
- ~9 GB (Derived: 4.02B parameters x 2 bytes = ~8 GB of bf16 weights.)
- API price
- $0.03 in / $0 out per 1M tokens (input only; reranking, $0.025 per 1M tokens)
- Access
- Free (open weights)
- Last verified
- 19 Oct 2026
Price from zeroentropy.dev, 19 Oct 2026.
Benchmark results
| Benchmark | Result | Entry on the leaderboard | As of | Source |
|---|---|---|---|---|
| Agentset Reranker Leaderboard | 1,638 | Zerank 2ELO from GPT-5-judged pairwise comparisons; rank 1 of 12; win rate 57.2%; page says 'Last updated: February 15, 2026'. | 15 Feb 2026 | agentset.ai |
Where you can use it
No tracked tool lists this model yet; as open weights it runs in local runtimes.
Earlier versions
- zerank-1 · Jun 2025