Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Perplexity
PerplexityReasoning

Sonar Deep Research

Research

Long-running research model. Spends significantly more inference time per query to produce structured, citation-heavy reports.

Sonar Deep Research is a reasoning AI model from Perplexity. It costs $2.000 per million input tokens and $8.000 per million output tokens (blended $3.800/M), with a 127K-token context window.

Released Feb 2025Modalities textOfficial model page ↗Provider pricing ↗API docs ↗Compare with another model →Estimate monthly cost →
INPUT
$2.000/M
per million input tokens
OUTPUT
$8.000/M
per million output tokens
BLENDED 70/30
$3.800/M
default reference rate · how it's calculated →
CONTEXT
127K
127,000 tokens
What it's good at
  • Long-running deep research
  • Structured reports
  • Many web sources per query
Typical use cases
  • Industry research reports
  • Investment briefings
  • Literature reviews
Benchmarks
vs. best public score
MMLU87%
Multitask academic knowledge across 57 subjects.
GPQA Diamond65%
Graduate-level science questions, "Google-proof".
MATH88%
High-school competition math problems.
HumanEval82%
Python function synthesis from docstrings.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
More from Perplexity
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Sonar Pro
Frontier · 200K ctx
in $3.000/Mout $15.000/M
Sonar Huge
Large · 127K ctx
in $5.000/Mout $5.000/M
Sonar
Efficient · 127K ctx
in $1.000/Mout $1.000/M
Sonar Reasoning Pro
Reasoning · 127K ctx
in $2.000/Mout $8.000/M
Sonar Reasoning
Reasoning · 127K ctx
in $1.000/Mout $5.000/M
Frequently asked questions

How much does Sonar Deep Research cost?

Sonar Deep Research costs $2.000 per million input tokens and $8.000 per million output tokens, for a blended reference rate of $3.800 per million tokens.

What is Sonar Deep Research's context window?

Sonar Deep Research supports up to 127K tokens of context (127,000 tokens).

What is Sonar Deep Research best for?

Sonar Deep Research is well suited to Long-running deep research, Structured reports and Many web sources per query.

Who makes Sonar Deep Research?

Sonar Deep Research is developed and served by Perplexity. It was released in Feb 2025.