DeepSeek-V4-Flash-0731 vs Grok 4.6: Specs & Benchmark Comparison
DeepSeek-V4-Flash-0731 is developed by DeepSeek, while Grok 4.6 comes from xAI. DeepSeek-V4-Flash-0731 was released in July 2026, and Grok 4.6 followed a month later in August 2026. DeepSeek-V4-Flash-0731 has a published size of about 304 billion parameters; xAI has not disclosed the parameter count of Grok 4.6.
We have 9 benchmark results for DeepSeek-V4-Flash-0731 and 11 benchmark results for Grok 4.6, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
DeepSeek-V4-Flash-0731 is the cheaper API at $0.14 per million input tokens and $0.28 per million output tokens, roughly 14 times cheaper than Grok 4.6 at $2 and $6. DeepSeek-V4-Flash-0731 takes the larger context window at 1M tokens, compared with 500K for Grok 4.6. DeepSeek-V4-Flash-0731 accepts text as input, while Grok 4.6 accepts text and images.
| Characteristic | DeepSeek-V4-Flash-0731 | Grok 4.6 |
|---|---|---|
| Company | DeepSeek | xAI |
| Release Date | July 31, 2026 | August 12, 2026 |
| Parameters | 304B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 500K |
| Context (output) | 393K | — |
| Input Price / 1M | $0.14 | $2.00 |
| Output Price / 1M | $0.28 | $6.00 |
| Average Score | 57.5% | 49.6% |
Verdict
DeepSeek-V4-Flash-0731 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Flash-0731 — 0.6, Grok 4.6 — 0.5.
DeepSeek-V4-Flash-0731 is 19.0x cheaper: input $0.14/1M vs $2.00/1M tokens.
DeepSeek-V4-Flash-0731 supports a larger context: 1M vs 500K tokens.
Both models were released around the same time: 7/31/2026 and 8/12/2026.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Flash-0731 or Grok 4.6?
Which model is cheaper — DeepSeek-V4-Flash-0731 or Grok 4.6?
Which has a larger context window — DeepSeek-V4-Flash-0731 or Grok 4.6?
The DeepSeek-V4-Flash-0731 and Grok 4.6 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-Flash-0731 or Grok 4.6 page. See also the complete list of AI model comparisons.