DeepSeek V4 Flash vs Grok 4.7
DeepSeek V4 Flash 
Grok 4.7 Verdict
- Grok 4.7 (high) leads on quality: 65.8 vs 62.0.
- DeepSeek V4 Flash (max) is stronger in agents & tools, coding, instruction following, long context, maths.
- Grok 4.7 (high) is stronger in composite, knowledge, reasoning.
- DeepSeek V4 Flash (max) is 11× cheaper ($0.262 vs $3.00 per 1M blended).
- DeepSeek V4 Flash (max) streams 4.3× faster (238 vs 55 tokens per second).
| Metric | DeepSeek V4 Flash (max) | Grok 4.7 (high) |
|---|---|---|
| BenchLeader Index | 62.0 | 65.8 |
| Agents & tools score | 67.0 | – |
| Coding score | 49.1 | – |
| Composite score | 72.3 | 87.5 |
| Instruction following score | 76.7 | – |
| Knowledge score | 57.2 | 72.6 |
| Long context score | 66.2 | 64.8 |
| Maths score | 57.3 | – |
| Reasoning score | 73.7 | 76.4 |
| Blended price $/M | $0.262 | $3.00 |
| Output speed | 238 tok/s | 55 tok/s |
| Time to first answer | 9.5 s | 1.4 s |
| Context window | 1M | 500k |
| SciCode | 44.9% | – |
| WeirdML | 45.6% | – |
| AA Intelligence Index | 34.3 | 46.3 |
| IFBench | 79.2% | – |
| AA-LCR | 79.7% | 77.0% |
| AA-Omniscience | -14.3 | 30.9 |
| Terminal-Bench Hard | 35.6% | – |
| GPQA Diamond (AA) | 90.8% | – |
| Humanity's Last Exam (AA) | 38.5% | 42.3% |
| SciCode (AA) | 50.4% | 57.8% |
| τ²-Bench Telecom (AA) | 95.0% | – |
| LegalBench | – | 85.1% |
| AIME 2026 | 95.8% | – |
| HMMT February 2026 | 93.9% | – |
| MathArena Apex | 27.1% | – |
| CritPt | 16.6% | 18.0% |
| GDPval (AA) | 46.3% | 59.7% |
| τ²-Bench Banking (AA) | 39.4% | – |
| ITBench SRE (AA) | 31.5% | – |
| Analyst Agent (AA) | 25.0% | – |
| Code Migration | – | 34.7% |
| Excel Modeling Benchmark | – | 54.9% |
| Harvey's Legal Agent Benchmark | – | 19.6% |
| Legal Research Bench | – | 39.9% |
| MedCode | – | 48.7% |
| MedScribe | – | 87.2% |
| ProgramBench | – | 0.0% |
| Public Benefits Bench | – | 68.5% |
| SAGE | – | 31.0% |
| LMCA | 35.9% | – |
| DTBench | 86.4% | – |
Data as of 2026-09-21. Best configuration of each model; every score links to its source on the model pages.
DeepSeek V4 Flash vs Grok 4.7: questions
- Is DeepSeek V4 Flash better than Grok 4.7?
- Grok 4.7 (high) leads on quality: 65.8 vs 62.0. The BenchLeader Index combines every independent quality benchmark; Grok 4.7 (high) is ahead overall as of 2026-09-21, but check the category scores for your use.
- Which is cheaper, DeepSeek V4 Flash or Grok 4.7?
- DeepSeek V4 Flash is cheaper: $0.262 against $3.00 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4 Flash or Grok 4.7?
- DeepSeek V4 Flash streams faster: 238 against 55 output tokens per second.
- Which has the larger context window?
- DeepSeek V4 Flash accepts more context: 1M against 500k tokens.