GPT-3.5 Turbo Instruct vs GPT-6 Astra Pro

Price, context window & benchmark comparison

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GPT-3.5 Turbo Instruct

OpenAI
$1.50 / $2.00
Input / Output · per 1M tokens
VS
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GPT-6 Astra Pro

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-3.5 Turbo Instruct is 12.3× 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 4K).
GPT-3.5 Turbo InstructGPT-6 Astra Pro
Input price / 1M$1.50$10.00
Output price / 1M$2.00$50.00
Blended price (3:1)$1.63$20.00
Cached input / 1M$1.00
Context window4K1.1M
Max output4K128K
Intelligence index
Coding index
Providers5
Best provider uptime (30m)100.0%
Vision inputNoYes
ReasoningNoYes
Tool callingNoYes
Released2023-09-282026-09-04
Retirement

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FAQ

Which is cheaper, GPT-3.5 Turbo Instruct or GPT-6 Astra Pro?

GPT-3.5 Turbo Instruct is 12.3× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.

GPT-3.5 Turbo Instruct vs GPT-6 Astra Pro: which has a bigger context window?

GPT-3.5 Turbo Instruct: 4,095 tokens. GPT-6 Astra Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-3.5 Turbo Instruct ≈ $4,000, GPT-6 Astra Pro ≈ $45,000.

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