xAI vs Competitors
Company Comparison
| Dimension | xAI | OpenAI | Anthropic | Google DeepMind |
|---|
| ----- | -------- | ----------- | ----------------- |
|---|
| $230B (Jan 2026) | $157B | $60B | Public (Alphabet) |
|---|
| $3.83B (2025) | ~$4-5B (est) | ~$1B (est) | Part of Alphabet |
|---|
| ~$45B | ~$20B | ~$20B | N/A (public) |
|---|
| Grok 4.3 | GPT-5.x | Claude 4 Opus | Gemini 2.5 Pro |
|---|
| MoE (8 experts) | Dense/MoE | Dense | MoE |
|---|
| 2M (Fast), 1M (4.3) | 2M | 200K | 2M |
|---|
| X data stream | Brand, plugins | Safety, Code | Multimodal, search |
|---|
| ✅ Native | ❌ | ❌ | ❌ |
|---|
| Grok 4.20 | OpenAI o3 | Claude 4 Opus | Gemini 2.5 Pro | DeepSeek R1 |
|---|
| ----------- | ----------- | --------------- | ---------------- | ------------- |
|---|
| — | 70 | 64 | 70 | 68 |
|---|
| 17% | — | — | — | — |
|---|
| — | — | — | — |
|---|
Note: Direct benchmark comparisons are limited. xAI publishes selectively. Independent testing (AA Index) shows Grok 4 scoring 73, ahead of o3 (70) and Gemini 2.5 Pro (70).
Notable Relationships
- Anthropic rents Colossus 1 compute capacity (May 2026) — competitor becomes customer
- Google rents Colossus 2 capacity (June 2026)
- OpenAI — Musk was a co-founder but left in 2018; now direct rival