GPT-6 Astra vs IBM Granite 4.2 8B: Specs & Benchmark Comparison

CharacteristicGPT-6 AstraIBM Granite 4.2 8B
CompanyOpenAIIBM
Release DateSeptember 3, 2026August 25, 2026
Parameters8B
MultimodalYesNo
Context (input)1.1M
Context (output)128K
Input Price / 1M$10.00
Output Price / 1M$50.00
Average Score0.70.6
Benchmarks
GPQA Diamond1.00.6

Visual Benchmark Comparison

GPT-6 Astra
IBM Granite 4.2 8B
GPQA Diamond1.0 vs 0.6
1.0
0.6

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: GPT-6 Astra — 0.7, IBM Granite 4.2 8B — 0.6.

Recency

Both models were released around the same time: 9/3/2026 and 8/25/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — GPT-6 Astra or IBM Granite 4.2 8B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-6 Astra or IBM Granite 4.2 8B?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-6 Astra or IBM Granite 4.2 8B?
Context window data is available on the individual model pages.

The GPT-6 Astra and IBM Granite 4.2 8B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-6 Astra or IBM Granite 4.2 8B page. See also the complete list of AI model comparisons.