Perplexity Sonar Deep Research
perplexity The API that serves this model and sets the prices shown here. sonar-deep-research 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. Large The most capable general-purpose tier of a model family. Retired Sep 27, 2026 This model has been retired and can no longer be relied on.Provider: perplexity
Knowledge cutoff: January 2025
Sonar will be supported until September 27, 2026. Official migration guide provided. Deprecation announced on Perplexity models documentation page.
Sticker prices & cost-per-token
List rates as published by perplexity, before any volume or enterprise discounts.
$2.00
$8.00
128,000 tokens
32,768
tokens per response (includes reasoning tokens)
Closed weights
$3.00
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=sonar-deep-research&q%5Bsource_api_eq%5D=perplexity"Pricing History
No pricing history recorded yet.
History
Last change detected September 21, 2026 (about 1 month ago) by an automated scan.
| Date | Changed by | What changed |
|---|---|---|
| Sep 19, 2026 | Unknown | Initial record created |
Source
https://models.dev/api.json (models.dev provider 'perplexity', import 2026-09-18)Comparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Perplexity Sonar Deep Research (perplexity) costs $2.00 per 1M input tokens and $8.00 per 1M output tokens, as last published by perplexity.
Perplexity Sonar Deep Research has a context window of 128,000 tokens (the maximum combined input and output it can handle in a single request).
Perplexity Sonar Deep Research sits in the large 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.
Perplexity Sonar Deep Research can generate up to 32,768 tokens in a single response. Reasoning (thinking) tokens count toward this limit.
Perplexity Sonar Deep Research's training data runs through January 2025, so it may not know about later events. Coolhand records the cutoff at month precision, since providers often publish only the month.
Perplexity Sonar Deep Research accepts text as input and produces text as output, as recorded in the Coolhand catalog.
No — the weights of Perplexity Sonar Deep Research have not been released, so it is only available through hosted APIs.
Yes — perplexity deprecated Perplexity Sonar Deep Research on September 27, 2026. Sonar will be supported until September 27, 2026. Official migration guide provided. Deprecation announced on Perplexity models documentation page.
perplexity retired Perplexity Sonar Deep Research on September 27, 2026.
Since Perplexity Sonar Deep Research is deprecated, perplexity customers are moving to Sonar, Sonar Deep Research, and Sonar Pro.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=perplexity&q[model_eq]=sonar-deep-research — 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 Sonar Pro, Sonar Reasoning Pro, Sonar, Sonar Deep Research, Sonar Pro, and Sonar Pro Search from perplexity. 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 |
|---|---|---|---|---|---|
| Sonar Pro | $3.00/1M $0.0000030000 | $15.00/1M $0.0000150000 | 200,000 | 8,192 |
Deprecated Sep 27, 2026
|
| Sonar Reasoning Pro | $2.00/1M $0.0000020000 | $8.00/1M $0.0000080000 | 128,000 | 4,096 |
Deprecated Sep 27, 2026
|
| Sonar via OpenRouter | $1.00/1M $0.0000010000 | $1.00/1M $0.0000010000 | 127,072 | 114,364 | Active |
| Sonar Deep Research via OpenRouter | $2.00/1M $0.0000020000 | $8.00/1M $0.0000080000 | 128,000 | 115,200 | Active |
| Sonar Pro via OpenRouter | $3.00/1M $0.0000030000 | $15.00/1M $0.0000150000 | 200,000 | 8,000 | Active |
| Sonar Pro Search via OpenRouter | $3.00/1M $0.0000030000 | $15.00/1M $0.0000150000 | 200,000 | 8,000 | Active |
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