GPT-6.1 Sol Pro vs GPT Audio

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Sol Pro

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

GPT Audio

OpenAI
$2.50 / $10.00
Input / Output · per 1M tokens
Compare different models
OpenAI
OpenAI
Verdict: GPT-6.1 Sol Pro is 9% cheaper than GPT Audio on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 128K).
GPT-6.1 Sol ProGPT Audio
Input price / 1M$2.00$2.50
Output price / 1M$10.00$10.00
Blended price (3:1)$4.00$4.38
Cached input / 1M$0.10—
Context window1.1M128K
Max output128K16K
Intelligence index——
Coding index——
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesNo
Tool callingYesYes
Released2026-09-292026-01-19
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Sol Pro or GPT Audio?

GPT-6.1 Sol Pro is 9% cheaper than GPT Audio on a typical 3:1 input/output mix.

GPT-6.1 Sol Pro vs GPT Audio: which has a bigger context window?

GPT-6.1 Sol Pro: 1,050,000 tokens. GPT Audio: 128,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Sol Pro ≈ $9,000, GPT Audio ≈ $10,000.

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