Compare DeepSeek V4 Pro 0423 from DeepSeek and Grok Build 0.1 from SpaceXAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


DeepSeek V4 Pro 0423 and Grok Build 0.1 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.45/M tokens input, $3.48/M tokens output on OpenRouter.
Grok Build 0.1, from SpaceXAI, has a 256,000-token context window and is priced at $1/M tokens input, $2/M tokens output on OpenRouter.
| Attribute | DeepSeek V4 Pro 0423 | Grok Build 0.1 |
|---|---|---|
| Input price | $0.45/M tokens | $1/M tokens |
| Output price | $3.48/M tokens | $2/M tokens |
| Context window | 1,048,576 tokens | 256,000 tokens |
| Intelligence Index | 30.1 | 27.2 |
| Coding Index | 58.7 | 51.5 |
| Agentic Index | Not available | Not available |
| Latency (p50) | 1.22 s | 2.28 s |
| Throughput (p50) | 29.0 tok/s | 93.0 tok/s |
Benchmark data updated
DeepSeek V4 Pro 0423 has the longer context window at 1,048,576 tokens, compared with 256,000 tokens for Grok Build 0.1.
Grok Build 0.1 is faster on OpenRouter, generating a median 93.0 tokens per second compared with 29.0 tokens per second for DeepSeek V4 Pro 0423.
DeepSeek V4 Pro 0423 scores higher on coding, with an Artificial Analysis Coding Index of 58.7 compared with 51.5 for Grok Build 0.1.