GPT-6.1 Sol Pro vs Inkling

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Sol Pro

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

Inkling

Thinkingmachines
$1.00 / $4.05
Input / Output · per 1M tokens
Compare different models
OpenAI
Thinkingmachines
Verdict: Inkling is 2.3× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 524K).
GPT-6.1 Sol ProInkling
Input price / 1M$2.00$1.00
Output price / 1M$10.00$4.05
Blended price (3:1)$4.00$1.76
Cached input / 1M$0.10$0.17
Context window1.1M524K
Max output128K472K
Intelligence index—12.5
Coding index—52.1
Providers7—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-292026-07-17
Retirement——

Cost calculator

FAQ

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

Inkling is 2.3× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix.

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

GPT-6.1 Sol Pro: 1,050,000 tokens. Inkling: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Sol Pro ≈ $9,000, Inkling ≈ $4,025.

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