Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, DeepSeek V4 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,490 vs 1,488), while DeepSeek V4 Flash leads in SWE-bench software engineering benchmarks (71.2%), while DeepSeek V4 Flash is more budget-friendly at $0.28/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
DeepSeek Jul 31 2026 price-performance SKU. Public listings put it near $0.14/$0.28 per 1M tokens.
Currently comparing DeepSeek V4 Flash vs Grok 4. Alternative family tiers available.
Δ 2 Arena Elo pts
142 tok/s
$0.28 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | DeepSeek V4 Flash | Grok 4 | Advantage Delta |
|---|---|---|---|
| Preference Elo | +2 | ||
| Coding Elo | — | — | |
| LiveBench | +3.7% | ||
| SWE-bench | +12.6% | ||
| GPQA Diamond | +2.6% | ||
| Time to first token | +65 ms | ||
| Output speed | 142 tok/s | 98 tok/s | +44 tok/s |
| Input price | $0.14/1M | +$2.86/1M | |
| Output price | $0.28/1M | +$14.72/1M | |
| Context window | +96k |
Simulate monthly production API costs in USD (US Dollar).
DeepSeek V4 Flash is estimated to save $320.90/month ($3,851/year).
Higher SWE-bench (71.2%).
Lower output list price ($0.28/1M).
Lower TTFT (165 ms).
Larger window (256k).
Grok 4 is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | DeepSeek V4 Flash | Higher SWE-bench (71.2%). |
| High-volume chat | DeepSeek V4 Flash | Lower output list price ($0.28/1M). |
| Voice / low-latency UI | DeepSeek V4 Flash | Lower TTFT (165 ms). |
| Long-document RAG | Grok 4 | Larger window (256k). |
| Screenshots / vision | Grok 4 | Grok 4 is the side marked multimodal in the catalog. |
Public listings put Flash near $0.14/$0.28 per 1M. That is a batch SKU, not a chatbot crown.
2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.
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