Sonar Deep Research is 3.0× cheaper per million tokens (blended). Claude Opus 5 has the larger context window (1,000,000 vs 128,000 tokens, 7.8×).

Claude Opus 5 vs Sonar Deep Research

Live catalog fields. Best-in-row is highlighted.

Claude Opus 5

Anthropic · anthropic__claude-opus-5

Sonar Deep Research

Perplexity · perplexity__sonar-deep-research

Identity

Fieldanthropic__claude-opus-5perplexity__sonar-deep-research
ProviderAnthropicPerplexity
Sluganthropic__claude-opus-5perplexity__sonar-deep-research
Statuslivelive
Open weightsNoNo
License
HuggingFace

Quality

Fieldanthropic__claude-opus-5perplexity__sonar-deep-research
Quality index (0–100)93.4

Cost

Fieldanthropic__claude-opus-5perplexity__sonar-deep-research
Input $ / 1M tokens$5.00$2.00
Cached input $ / 1M$0.50
Output $ / 1M tokens$25.00$8.00

Context

Fieldanthropic__claude-opus-5perplexity__sonar-deep-research
Max context tokens1,000,000128,000
Max output tokens128,000115,200

Modalities

Fieldanthropic__claude-opus-5perplexity__sonar-deep-research
Inputtext, image, filetext
Outputtexttext