Rerank v4.0 Fast
cohere The API that serves this model and sets the prices shown here. rerank-v4.0-fast The model identifier to send in API requests. LLM Generates text from a prompt, so it can be compared with other LLMs on price and capability. Small The fast, low-latency tier of a model family, suited to high-volume or simple tasks.Provider: Cohere
Nothing to act on today. The cost is the checking: someone has to remember to look again next month, and the month after. Coolhand watches this model for you and automatically updates your agents to the most compatible replacement the moment a retirement is announced — one less thing on your list, permanently.
Sticker prices & cost-per-token
List rates as published by Cohere, before any volume or enterprise discounts.
$0.00
$0.00
32,000 tokens
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=rerank-v4.0-fast&q%5Bsource_api_eq%5D=cohere"Pricing History
| Effective | Price |
|---|---|
| Sep 21, 2026 – present |
Input cost: $0.00 / 1M, Output cost: $0.00 / 1M, Cached input cost: $0.00 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr
Not priced as a generative LLM; context limit set per models page.
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History
Last change detected September 21, 2026 (about 1 month ago) by an automated scan.
| Date | Changed by | What changed |
|---|---|---|
| Sep 21, 2026 | Automated scan | Initial record created |
Source
https://cohere.com/pricingComparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Rerank v4.0 Fast (Cohere) costs $0.00 per 1M input tokens and $0.00 per 1M output tokens, as last published by Cohere.
Rerank v4.0 Fast has a context window of 32,000 tokens (the maximum combined input and output it can handle in a single request).
Rerank v4.0 Fast sits in the small size tier. Size tiers run from micro (small enough to run on a device) through small, medium and large to extra large (frontier flagships), and are assigned from the model's family, naming and limits rather than its price.
No, Rerank v4.0 Fast is currently active with no announced deprecation date.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=cohere&q[model_eq]=rerank-v4.0-fast — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
Coolhand also tracks Command A, Command A Plus, Command A Reasoning, Command A Translate, Command A Vision, and Command R from Cohere. Some may already be deprecated, so check each model's status alongside its current pricing.
| Model | Input cost | Output cost | Context window | Max output tokens | Status |
|---|---|---|---|---|---|
| Command A | $2.50/1M $0.0000025000 | $10.00/1M $0.0000100000 | 256,000 | 8,000 | Active |
| Command A Plus | $2.50/1M $0.0000025000 | $10.00/1M $0.0000100000 | 128,000 | 64,000 | Active |
| Command A Reasoning | $2.50/1M $0.0000025000 | $10.00/1M $0.0000100000 | 256,000 | 32,000 | Active |
| Command A Translate | $2.50/1M $0.0000025000 | $10.00/1M $0.0000100000 | 8,000 | 8,000 | Active |
| Command A Vision | $2.50/1M $0.0000025000 | $10.00/1M $0.0000100000 | 128,000 | 8,000 | Active |
| Command R | $0.15/1M $0.0000001500 | $0.60/1M $0.0000006000 | 128,000 | 4,000 | Active |
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