DeepSeek V4 Flash vs Grok 4.6
Market Position
LiveBench Quality Versus Estimated Output Cost
This current-market view appears only when both compared models are reviewed current models with publisher-reported LiveBench token accounting and current sourced USD output rates.
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | DeepSeek-V4-Flash | Grok 4.6 |
|---|---|---|
| IntelligenceHigher is better · MM Intelligence v1.2 | #19 of 2241.8 score | #13 of 2267.6 score |
| CostLower is better · Published-token output estimate | #2 of 36$0.0060 per LiveBench case | #18 of 36$0.097 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.0 | #1 of 2270.9 score | #8 of 2256.6 score |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | DeepSeek-V4-Flash | Grok 4.6 |
|---|---|---|
| ARC-AGI-1verified-v1-15fb467fd4fc · verified_score · leader | 89.00100% of row best · percent · DeepSeek V4 Flash 0731 (Max) | 87.5098% of row best · percent · Grok 4.6 (Medium) |
| ARC-AGI-2verified-v2-9a3db289984e · verified_score · leader | 61.3992% of row best · percent · DeepSeek V4 Flash 0731 (Max) | 67.08100% of row best · percent · Grok 4.6 (XHigh) |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,431.9899% of row best · rating · deepseek-v4-flash; 95% CI [1427.84091263, 1436.10937297]; votes 48963; rank 80 | 1,443.75100% of row best · rating · grok-4.6-high; 95% CI [1433.62910542, 1453.86294509]; votes 3453; rank 55 |
| LiveBench2026-06-25 · overall · leader | 69.6785% of row best · percent · deepseek-v4-flash · 34,434 output tokens / case | 82.17100% of row best · percent · grok-4.6 · 16,154 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 1 benchmark win | 2 benchmark winsOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | DeepSeek-V4-Flash | Grok 4.6 |
|---|---|---|
| Developer | DeepSeek | xAI |
| Family | Deepseek V4 Flash | Grok 4 |
| Model | DeepSeek-V4-Flash | Grok 4.6 |
| Version | DeepSeek-V4-Flash | Grok 4.6 |
| Lifecycle | active | active |
| Released | 2026-04-24 | Unknown |
| Knowledge cutoff | Unknown | 2026-02-01 |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,049K | 500K |
| Total parameters | 290.9B | Unknown |
| Active parameters | 13B | Unknown |
| License | mit | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | DeepSeek (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard) | Xai (Standard) |
| Capabilities | chat, generation, reasoning | chat, generation, reasoning, tools |
13 comparable fields · 10 material differences · Pair passes the primary-source comparison gate
DeepSeek V4 Flash Capabilities
Grok 4.6 Capabilities
Internal Comparison Graph
Related Comparisons
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DeepSeek-V4-FlashDeepSeek | vs | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
DeepSeek V4 Flash vs Grok 4.6 FAQs
Is DeepSeek V4 Flash or Grok 4.6 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash and Grok 4.6, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, DeepSeek V4 Flash or Grok 4.6?+
DeepSeek V4 Flash is $0.0868 and Grok 4.6 is $2.00 per million tokens, so DeepSeek V4 Flash is cheaper on this metric. DeepSeek V4 Flash is $0.1736 and Grok 4.6 is $6.00 per million tokens, so DeepSeek V4 Flash is cheaper on this metric.
Which has a larger context window, DeepSeek V4 Flash or Grok 4.6?+
DeepSeek V4 Flash has the larger sourced context window. DeepSeek V4 Flash supports 1,049K and Grok 4.6 supports 500K.
Which performs better in benchmarks, DeepSeek V4 Flash or Grok 4.6?+
Grok 4.6 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 3 publishers; it is not a universal quality score.
Can DeepSeek V4 Flash or Grok 4.6 be self-hosted?+
DeepSeek V4 Flash is the only model in this pair currently marked as self-hostable. DeepSeek V4 Flash is open weight; Grok 4.6 is not marked open weight.
Can DeepSeek V4 Flash and Grok 4.6 understand images?+
DeepSeek V4 Flash is not documented with image input; Grok 4.6 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, DeepSeek V4 Flash or Grok 4.6?+
Neither has a larger sourced maximum output. DeepSeek V4 Flash is — and Grok 4.6 is —.
Do DeepSeek V4 Flash and Grok 4.6 support reasoning and tool use?+
DeepSeek V4 Flash: reasoning. Grok 4.6: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, DeepSeek V4 Flash or Grok 4.6?+
DeepSeek V4 Flash has 5 sourced provider routes; Grok 4.6 has 1, so DeepSeek V4 Flash has broader tracked availability.
Which offers better value, DeepSeek V4 Flash or Grok 4.6?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.