DeepSeek-V4-Flash vs Grok-1.5
DeepSeek vs xAI — benchmarks, pricing, and capabilities side by side.
- •DeepSeek-V4-Flash has the higher intelligence index (89.4 vs 50.3)
| DeepSeek-V4-Flash | Grok-1.5 | |
|---|---|---|
| Intelligence index | 89.4 | 50.3 |
| Developer | DeepSeek | xAI |
| Type | LLM | LLM |
| Access | Open weights | API only |
| Context window | 1,048,576 tokens | — |
| Input price | $0.10 / 1M | — |
| Output price | $0.20 / 1M | — |
| Speed | 109 tok/s | — |
| Released | April 24, 2026 | March 28, 2024 |
| Parameters | 284B (13B active) | — |
| Input modalities | Text | — |
| Output modalities | Text | — |
Shared benchmarks
DeepSeek-V4-Flash
Grok-1.5
GPQA Diamond
89.4
35.9