GPT-6 Luna Pro vs Sonar Pro Search

Price, context window & benchmark comparison

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GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
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Sonar Pro Search

Perplexity
$3.00 / $15.00
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-6 Luna Pro is 30.0× cheaper than Sonar Pro Search on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 200K).
GPT-6 Luna ProSonar Pro Search
Input price / 1M$0.10$3.00
Output price / 1M$0.50$15.00
Blended price (3:1)$0.20$6.00
Cached input / 1M$0.01—
Context window1.1M200K
Max output128K8K
Intelligence index——
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-09-222025-10-30
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6 Luna Pro or Sonar Pro Search?

GPT-6 Luna Pro is 30.0× cheaper than Sonar Pro Search on a typical 3:1 input/output mix.

GPT-6 Luna Pro vs Sonar Pro Search: which has a bigger context window?

GPT-6 Luna Pro: 1,050,000 tokens. Sonar Pro Search: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna Pro ≈ $450.00, Sonar Pro Search ≈ $13,500.

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