Rerank 4 Fast
Rerank 4 Fast is Cohere's reranking model with a 33K context window, available from 2 providers, starting at $2.00 / 1M input. Cohere's fourth-generation fast reranking model optimized for low-latency document sorting by semantic similarity to a query.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
| Provider | Standard | Batch |
|---|---|---|
| Input $ / 1M | Input $ / 1M | |
Cohere | $2.00 | $1.00 |
 Azure AI Foundry | N/A | — |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Rerank 4 Fast | 33K | $2.00 | — | Current | |
| Rerank 4 Pro | 33K | $2.50 | — | Available | |
| Rerank 3.5 | 4K | — | — | Available | |
| Voyage Rerank 3.5 | 32K | — | — | Available | |
| NV RerankQA Mistral 3 4B | — | — | — | — | Available |
| Rerank 3 English | — | 4K | — | — | Available |
| Rerank 3 Multilingual | — | 4K | — | — | Available |
| Voyage Rerank 2.5 | 32K | $0.050 | — | Available | |
| Voyage Rerank 2.5 Lite | 32K | $0.020 | — | Available | |
| BGE Reranker M3 2 | — | 8K | $0.010 | $0.010 | Available |
| Jina Reranker 2 Base Multilingual | — | 1K | $0.018 | $0.018 | Available |