GPT-6 Astra Pro vs gpt-oss-120b

Price, context window & benchmark comparison

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GPT-6 Astra Pro

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
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gpt-oss-120b

OpenAI
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
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Verdict: gpt-oss-120b is 76.2× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix. GPT-6 Astra Pro has the larger context window (1.1M vs 131K).
GPT-6 Astra Progpt-oss-120b
Input price / 1M$10.00$0.15
Output price / 1M$50.00$0.60
Blended price (3:1)$20.00$0.26
Cached input / 1M$1.00$0.075
Context window1.1M131K
Max output128K66K
Intelligence index11.6
Coding index30.4
Providers5
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-042025-08-05
Retirement

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FAQ

Which is cheaper, GPT-6 Astra Pro or gpt-oss-120b?

gpt-oss-120b is 76.2× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.

GPT-6 Astra Pro vs gpt-oss-120b: which has a bigger context window?

GPT-6 Astra Pro: 1,050,000 tokens. gpt-oss-120b: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra Pro ≈ $45,000, gpt-oss-120b ≈ $600.00.

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