GPT-6.1 Terra Pro vs Solar Pro 3

Price, context window & benchmark comparison

OpenAI

GPT-6.1 Terra Pro

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

Solar Pro 3

Upstage
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
OpenAI
Upstage
Verdict: Solar Pro 3 is 7.6× 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 131K).
GPT-6.1 Terra ProSolar Pro 3
Input price / 1M$1.00$0.15
Output price / 1M$5.00$0.60
Blended price (3:1)$2.00$0.26
Cached input / 1M$0.05$0.015
Context window1.1M131K
Max output128K118K
Intelligence index——
Coding index—16.2
Providers6—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-262026-01-27
Retirement—2026-10-30

Cost calculator

FAQ

Which is cheaper, GPT-6.1 Terra Pro or Solar Pro 3?

Solar Pro 3 is 7.6× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.

GPT-6.1 Terra Pro vs Solar Pro 3: which has a bigger context window?

GPT-6.1 Terra Pro: 1,050,000 tokens. Solar Pro 3: 131,072 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 Pro 3 ≈ $600.00.

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