GPT-6 Sol Pro vs Sonar Reasoning Pro

Price, context window & benchmark comparison

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GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
VS
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Sonar Reasoning Pro

Perplexity
$2.00 / $8.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Sonar Reasoning Pro is 13% cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 128K).
GPT-6 Sol ProSonar Reasoning Pro
Input price / 1M$2.00$2.00
Output price / 1M$10.00$8.00
Blended price (3:1)$4.00$3.50
Cached input / 1M$0.20
Context window1.1M128K
Max output128K115K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)99.9%
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-09-222025-03-07
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FAQ

Which is cheaper, GPT-6 Sol Pro or Sonar Reasoning Pro?

Sonar Reasoning Pro is 13% cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

GPT-6 Sol Pro vs Sonar Reasoning Pro: which has a bigger context window?

GPT-6 Sol Pro: 1,050,000 tokens. Sonar Reasoning Pro: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Sol Pro ≈ $9,000, Sonar Reasoning Pro ≈ $8,000.

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