Models · Compare
Grok 4.3 vs Granite 4.1 8B Instruct
Rows highlighted in warm gray are where the models differ. Numbers carry their as-of date and primary source.
Specs
| Field | A: Grok 4.3 | B: Granite 4.1 8B Instruct |
|---|---|---|
| Released | — | 2026-04-29 |
| Developer | xAI | IBM |
| Openness | Proprietary | Open |
| License | Proprietary | Apache-2.0 |
| OSI-approved | no | yes |
| Data released | no | no |
| Training code | no | no |
| Architecture | unknown | dense |
| Total params | — | 8B |
| Active params | — | — |
| Experts | — | — |
| Context window | — | 524K |
| Attention | unknown | unknown |
| Position enc. | unknown | unknown |
| Pretraining tokens | — | — |
| Post-training | rlhf | sft, rlhf |
| Training hardware | — | — |
| $/M input | $1.25 | — |
| $/M output | $2.50 | — |
| Output tok/sec | 88.1 | — |
Benchmarks
Missing scores render as not reported; never inferred. Bold highlights the leader per benchmark.
General reasoning
| GPQA-Diamond | 90.1 2026-05-21 | — |
Code
Context · A
xAI's most-intelligent-and-fastest model per the lab, released April 30 2026 after a Grok 4.3 Beta drop on April 17 for SuperGrok Heavy users. Native multimodal video understanding and direct PDF, spreadsheet, and PowerPoint generation from chat. Reasoning is now always-on rather than toggleable.
Context · B
Dense Granite 4.1 line released April 29 2026 at 3B, 8B, and 30B sizes under Apache 2.0. The 8B Instruct matches or beats IBM's own 32B MoE Granite 4.0 Small on tool calling, math, coding, and instruction following, a 4x parameter reduction. Released alongside Granite 4.1 speech, vision, embeddings, and Guardian safety models.