GPT-6 Astra vs Granite 4.0 Micro

Price, context window & benchmark comparison

OpenAI

GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
IBM Granite

Granite 4.0 Micro

IBM Granite
$0.017 / $0.11
Input / Output · per 1M tokens
Compare different models
OpenAI
IBM Granite
Verdict: Granite 4.0 Micro is 490.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 131K).
GPT-6 AstraGranite 4.0 Micro
Input price / 1M$10.00$0.017
Output price / 1M$50.00$0.11
Blended price (3:1)$20.00$0.0408
Cached input / 1M$1.00
Context window1.1M131K
Max output128K118K
Intelligence index52.7
Coding index76.9
Providers6
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesNo
Tool callingYesNo
Released2026-09-042025-10-20
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FAQ

Which is cheaper, GPT-6 Astra or Granite 4.0 Micro?

Granite 4.0 Micro is 490.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

GPT-6 Astra vs Granite 4.0 Micro: which has a bigger context window?

GPT-6 Astra: 1,050,000 tokens. Granite 4.0 Micro: 131,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Granite 4.0 Micro ≈ $90.00.

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