GPT-5.1 Codex High vs IBM Granite 4.2 8B: Specs & Benchmark Comparison
| Characteristic | GPT-5.1 Codex High | IBM Granite 4.2 8B |
|---|---|---|
| Company | OpenAI | IBM |
| Release Date | November 11, 2025 | August 25, 2026 |
| Parameters | — | 8B |
| Multimodal | Yes | No |
| Context (input) | 400K | — |
| Context (output) | 128K | — |
| Input Price / 1M | $1.25 | — |
| Output Price / 1M | $10.00 | — |
| Average Score | 1.0 | 0.6 |
| Benchmarks | ||
| AIME 2025 | 1.0 | 0.9 |
Visual Benchmark Comparison
GPT-5.1 Codex High
IBM Granite 4.2 8B
AIME 20251.0 vs 0.9
1.0
0.9
Verdict
IBM Granite 4.2 8B leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 Codex High — 1.0, IBM Granite 4.2 8B — 0.6.
Recency
IBM Granite 4.2 8B is newer: released 8/25/2026 vs 11/11/2025.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — GPT-5.1 Codex High 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-5.1 Codex High or IBM Granite 4.2 8B?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-5.1 Codex High or IBM Granite 4.2 8B?
Context window data is available on the individual model pages.
The GPT-5.1 Codex High 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-5.1 Codex High or IBM Granite 4.2 8B page. See also the complete list of AI model comparisons.