DeepSeek-V4-Pro-0813 vs Grok 4.5: Specs & Benchmark Comparison
DeepSeek-V4-Pro-0813 is developed by DeepSeek, while Grok 4.5 comes from xAI. Grok 4.5 was released in July 2026, and DeepSeek-V4-Pro-0813 followed a month later in August 2026. DeepSeek-V4-Pro-0813 has a published size of about 1.6 trillion parameters; xAI has not disclosed the parameter count of Grok 4.5.
The two models share 2 published benchmarks. DeepSeek-V4-Pro-0813 leads on 2 of them. The widest gaps are on DeepSWE, where DeepSeek-V4-Pro-0813 scores 62.7% against 53.0%; Terminal-Bench 2.1, where DeepSeek-V4-Pro-0813 scores 88.0% against 83.0%. Averaged across everything we track, DeepSeek-V4-Pro-0813 sits at 60.6% and Grok 4.5 at 52.9%.
DeepSeek-V4-Pro-0813 is the cheaper API at $1.32 per million input tokens and $3.96 per million output tokens, about 52% below Grok 4.5 at $2 and $6. DeepSeek-V4-Pro-0813 takes the larger context window at 1M tokens, compared with 500K for Grok 4.5. DeepSeek-V4-Pro-0813 accepts text as input, while Grok 4.5 accepts text and images.
| Characteristic | DeepSeek-V4-Pro-0813 | Grok 4.5 |
|---|---|---|
| Company | DeepSeek | xAI |
| Release Date | August 13, 2026 | July 16, 2026 |
| Parameters | 1.6T | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 500K |
| Context (output) | 393K | — |
| Input Price / 1M | $1.32 | $2.00 |
| Output Price / 1M | $3.96 | $6.00 |
| Average Score | 60.6% | 52.9% |
| Benchmarks | ||
| DeepSWE | 62.7% | 53.0% |
| Terminal-Bench 2.1 | 88.0% | 83.0% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Pro-0813 leads in 3 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Pro-0813 — 0.6, Grok 4.5 — 0.5.
DeepSeek-V4-Pro-0813 is 1.5x cheaper: input $1.32/1M vs $2.00/1M tokens.
DeepSeek-V4-Pro-0813 supports a larger context: 1M vs 500K tokens.
DeepSeek-V4-Pro-0813 is newer: released 8/13/2026 vs 7/16/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Pro-0813 or Grok 4.5?
Which model is cheaper — DeepSeek-V4-Pro-0813 or Grok 4.5?
Which has a larger context window — DeepSeek-V4-Pro-0813 or Grok 4.5?
The DeepSeek-V4-Pro-0813 and Grok 4.5 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Pro-0813 or Grok 4.5 page. See also the complete list of AI model comparisons.