GPT-6.1 Terra Pro vs Solar Mini 4

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra Pro

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

Solar Mini 4

Upstage
$0.05 / $0.20
Input / Output · per 1M tokens
Compare different models
OpenAI
Upstage
Verdict: Solar Mini 4 is 22.9× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 524K).
GPT-6.1 Terra ProSolar Mini 4
Input price / 1M$1.00$0.05
Output price / 1M$5.00$0.20
Blended price (3:1)$2.00$0.0875
Cached input / 1M$0.05$0.005
Context window1.1M524K
Max output128K131K
Intelligence index——
Coding index——
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-262026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Solar Mini 4?

Solar Mini 4 is 22.9× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Solar Mini 4: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Solar Mini 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Solar Mini 4 ≈ $200.00.

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