Granite 4.0 Micro Open vs 
Grok 4.5 Paid
Granite 4.0 Micro vs Grok 4.5 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
Prices & specs refreshed from live data · OpenSourceAI.tech
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
Granite 4.0 Micro vs Grok 4.5 specs
| Spec | Granite 4.0 Micro | Grok 4.5 |
|---|---|---|
| Maker | IBM | xAI |
| Type | Open-weight | Proprietary |
| Context window | 131K tokens | 500K tokens |
| Input price | $0.02/M · free self-host | $2/M |
| Output price | $0.11/M · free self-host | $6/M |
| Vision / multimodal | No | Yes |
| Tool / function calling | No | Yes |
| Self-hostable | Yes | No (API only) |
| License | Apache 2.0 | Proprietary |
Feature comparison
| Capability | Granite 4.0 Micro | Grok 4.5 |
|---|---|---|
| Open weights (downloadable) | ✓ | ✗ |
| Self-hostable | ✓ | ✗ |
| Runs fully offline | ✓ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✗ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: Granite 4.0 Micro vs Grok 4.5
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Granite 4.0 Micro and Grok 4.5 score
| Criterion | Granite 4.0 Micro | Grok 4.5 |
|---|---|---|
| Cost-efficiency | 5.0 | 4.0 |
| Context window | 3.5 | 4.5 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 2.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Granite 4.0 Micro Open
Granite-4.0-H-Micro is a 3B parameter from the Granite 4 family of models. These models are the latest in a series of models released by IBM. They are fine-tuned for long...
Grok 4.5 Paid
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
Is Granite 4.0 Micro as good as Grok 4.5?
Granite 4.0 Micro is open-weight and competitive on many tasks, but Grok 4.5 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.
Can I run Granite 4.0 Micro locally?
Yes. Granite 4.0 Micro has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Grok 4.5 is API-only and cannot be self-hosted.
How much cheaper is Granite 4.0 Micro?
Granite 4.0 Micro costs $0.11/M output vs $6/M for Grok 4.5 — roughly 55x cheaper via API, and free if you self-host.
Granite 4.0 Micro vs Grok 4.5 — which should I pick in 2026?
Choose Granite 4.0 Micro if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Grok 4.5 if you want frontier capability through a managed API with zero infrastructure to run.
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