GPT-6.1 Terra Pro vs Sonar Pro

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra Pro

OpenAI
$1.00 / $5.00
Input / Output · per 1M tokens
VS
Perplexity

Sonar Pro

Perplexity
$3.00 / $15.00
Input / Output · per 1M tokens
Compare different models
OpenAI
Perplexity
Verdict: GPT-6.1 Terra Pro is 3.0× cheaper than Sonar Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 200K).
GPT-6.1 Terra ProSonar Pro
Input price / 1M$1.00$3.00
Output price / 1M$5.00$15.00
Blended price (3:1)$2.00$6.00
Cached input / 1M$0.05—
Context window1.1M200K
Max output128K8K
Intelligence index——
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesNo
Tool callingYesNo
Released2026-10-262025-03-07
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Sonar Pro?

GPT-6.1 Terra Pro is 3.0× cheaper than Sonar Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Sonar Pro: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Sonar Pro: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Sonar Pro ≈ $13,500.

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