LLM Reference

Sonar

Released
2025-01-27
Last refreshed
2026-06-29
Status
Researched 64d ago
ProprietaryCommercial use: conditionalClassificationJSON / Tool use

Sonar is worth evaluating for classification and json / tool use when its provider route and context window match the workload.

Use it for

  • Teams evaluating classification and json / tool use
  • Workloads that can use a 127k context window
  • Buyers comparing 3 tracked provider routes

Do not use it for

  • Vision or document-understanding workloads
Specifications
Family
Sonar
Released
2025-01-27
Context
127k
Architecture
Decoder Only
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Training
Fine-tuned
Created by

Developing AI for complex problem-solving.

San Francisco, California, United States
Founded 2022
Website
Pricing
Output / 1M
$1.00
Input / 1M
$1.00

Cheapest of 3 routes · OpenRouter

About

Lightweight, cost-effective Perplexity search model with grounding and citations. Request fees: $5-$12/1K requests depending on search context depth (Low/Medium/High).

Sonar is a proprietary model. The structured metadata tracks a 127k-token context window and structured outputs. This page tracks provider routes through OpenRouter, Perplexity Labs, and Vercel AI Gateway, with the cheapest tracked route listed at $1 input and $1 output per 1M tokens. No headline benchmark score is tracked for Sonar yet.

Top use-case fit

Classification

Included by capability and metadata signals in the decision map.

JSON / Tool use

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare all 3

Compare API pricing across 3 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
OpenRouter$1.00$1.00
Serverless
Perplexity Labs$1.00$1.00
Serverless
Vercel AI Gateway--
ServerlessPartial

Capabilities

Structured Outputs

Benchmark peer barsfor Classification

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Sonar?

Sonar has a context window of 127k tokens.

How much does Sonar cost?

Sonar is available at $1/1M input tokens through OpenRouter.

When was Sonar released?

Sonar was released on 2025-01-27.

Which providers offer Sonar?

Sonar is available from 3 providers: OpenRouter, Perplexity Labs, Vercel AI Gateway.