- 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
- Grok 4.5 — $5 sample workload
SpaceXAI LLM API Models & Pricing
Browse SpaceXAI LLM API models with normalized prompt pricing, output pricing, context windows, release dates, and popularity signals.
5Models tracked
5Priced models
4Popular models
0Latest releases
Provider shortlist
Use SpaceXAI 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 4.5 — 500K
- Grok Build 0.1 — 256K
SpaceXAI comparisons
Search SpaceXAI 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 0423 vs Grok 4.3 | DeepSeek V4 Flash 0423 | DeepSeek V4 Flash 0423 | |
| 🔥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 SpaceXAI 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 |
| 🔥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 | 262.14K |
| gpt-oss-120b (free) | OpenAI | $0 | $0 | $0 | 131.07K |
| Laguna XS.2 (free) | Poolside | $0 | $0 | $0 | 262.14K |
SpaceXAI 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 |
| Grok 4.5 | $2 | $6 | 500K |