GPT-5.6 Terra vs IBM Granite 4.2 30B: Specs & Benchmark Comparison
| Characteristic | GPT-5.6 Terra | IBM Granite 4.2 30B |
|---|---|---|
| Company | OpenAI | IBM |
| Release Date | July 9, 2026 | August 25, 2026 |
| Parameters | — | 30B |
| Multimodal | Yes | No |
| Context (input) | 1.1M | — |
| Context (output) | 128K | — |
| Input Price / 1M | $2.00 | — |
| Output Price / 1M | $12.00 | — |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| Terminal-Bench 2.1 | 0.9 | 0.3 |
| SWE-Bench Pro | 0.6 | 0.3 |
| GPQA | 0.9 | 0.7 |
Visual Benchmark Comparison
GPT-5.6 Terra
IBM Granite 4.2 30B
Terminal-Bench 2.10.9 vs 0.3
0.9
0.3
SWE-Bench Pro0.6 vs 0.3
0.6
0.3
GPQA0.9 vs 0.7
0.9
0.7
Verdict
IBM Granite 4.2 30B leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.6 Terra — 0.6, IBM Granite 4.2 30B — 0.6.
Recency
IBM Granite 4.2 30B is newer: released 8/25/2026 vs 7/9/2026.
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Frequently Asked Questions
Which is better for coding — GPT-5.6 Terra or IBM Granite 4.2 30B?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-5.6 Terra or IBM Granite 4.2 30B?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-5.6 Terra or IBM Granite 4.2 30B?
Context window data is available on the individual model pages.
The GPT-5.6 Terra and IBM Granite 4.2 30B comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.6 Terra or IBM Granite 4.2 30B page. See also the complete list of AI model comparisons.