- Grok Build 0.1 — $2 sample workload
- Grok 4.3 — $2.5 sample workload
- Grok 4.20 — $2.5 sample workload
- Grok 4.20 Multi-Agent — $2.5 sample workload
xAI LLM API Models & Pricing
Browse xAI LLM API models with normalized prompt pricing, output pricing, context windows, release dates, and popularity signals.
4Models tracked
4Priced models
4Popular models
0Latest releases
Provider shortlist
Use xAI as a model-level shortlist, not a single default choice.
Start from the cost, context, and popularity picks below, then open the model pages or head-to-head comparisons before choosing an API.
Cost pick
Grok Build 0.1
$2 sample workload
Context pick
Grok 4.20
2M context window
Popular pick
Grok 4.3
#53 popularity signal
When to avoid
Verify model fit
Do not choose by provider name alone. Compare model-level input price, output price, context window, release timing, and current availability before production use.
- Grok 4.20 — 2M
- Grok 4.20 Multi-Agent — 2M
- Grok 4.3 — 1M
- Grok Build 0.1 — 256K
xAI comparisons
Search xAI comparisons| Comparison | Sample Cost Winner | Larger Context | Newest Release |
|---|---|---|---|
| 🔥Claude Opus 4.6 vs Grok 4.3 | Grok 4.3 | Tie | |
| 🔥Claude Opus 4.7 vs Grok 4.3 | Grok 4.3 | Tie | |
| 🔥Claude Sonnet 4.6 vs Grok 4.3 | Grok 4.3 | Tie | |
| 🔥DeepSeek V3.2 vs Grok 4.3 | DeepSeek V3.2 | Grok 4.3 | |
| 🔥DeepSeek V4 Flash vs Grok 4.3 | DeepSeek V4 Flash | DeepSeek V4 Flash | |
| 🔥DeepSeek V4 Pro vs Grok 4.3 | DeepSeek V4 Pro | DeepSeek V4 Pro | |
| 🔥Gemini 2.5 Flash Lite vs Grok 4.3 | Gemini 2.5 Flash Lite | Gemini 2.5 Flash Lite | |
| 🔥Gemini 2.5 Flash vs Grok 4.3 | Gemini 2.5 Flash | Gemini 2.5 Flash |
Cross-Provider Alternatives
Open alternatives hubUse this shortlist when xAI is not a hard requirement and your first constraint is workload cost.
| Alternative | Provider | Sample Cost | Input / 1M | Output / 1M | Context |
|---|---|---|---|---|---|
| 🔥Owl Alpha | OpenRouter | $0 | $0 | $0 | 1.05M |
| New🔥Nemotron 3 Ultra (free) | NVIDIA | $0 | $0 | $0 | 1M |
| 🔥Laguna M.1 (free) | Poolside | $0 | $0 | $0 | 262.14K |
| Nemotron 3 Super (free) | NVIDIA | $0 | $0 | $0 | 1M |
| gpt-oss-120b (free) | OpenAI | $0 | $0 | $0 | 131.07K |
| Laguna XS.2 (free) | Poolside | $0 | $0 | $0 | 262.14K |
xAI model catalog
Browse all models| Model | Prompt | Output | Context | Popularity |
|---|---|---|---|---|
| Grok 4.3 | $1.25 | $2.5 | 1M | #53 |
| Grok 4.20 | $1.25 | $2.5 | 2M | #88 |
| Grok Build 0.1 | $1 | $2 | 256K | #137 |
| Grok 4.20 Multi-Agent | $1.25 | $2.5 | 2M | #155 |