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DeepSeek V4 Flash 0731
deepseek·deepseek/deepseek-v4-flash-0731·GA·Open weights·deepseek-flash series·NEW
Official DeepSeek V4 Flash release with enhanced agentic capabilities and integrated DSpark speculative decoding
At a glance
Reference price$0.479 / $1.44 per 1M
Cache read $0.015 · Charm Hyper
Lowest paid$0.08 / $0.18
Deep Infra Cloud · 6× spread
3 more $0 channels
Context1,048,576
⚠ Providers report 256,000–1,310,720; the table below is authoritative
Output limit384,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
Text
Knowledge cutoff2025-05
Released / updated2026-07-31 / 2026-07-31
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier Reasoning, Max Effort
Intelligence51.8
Value493
Coding69.1
Agentic48.4
Output speed103 tok/s
TTFT1.23 s
Cost per task$0.1122
Value formulaIQ 51.8 ÷ min blended $0.105 = 493
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 40 providers36 with public prices · 3 subscription-covered
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Alibaba Token Plan | Gateway | Subscription | $0 | $0 | 1,000,000 ⚠ | 384,000 | ||
| SCNet Token Plan DeepSeek-V4-Flash-0731 | Gateway | Subscription | $0 | — | 1,000,000 ⚠ | 384,000 | ||
| Alibaba Token Plan (China) | Gateway | Subscription | $0 | $0 | 1,000,000 ⚠ | 384,000 | ||
| Deep Infra deepseek-ai/DeepSeek-V4-Flash-0731 | Cloud | $0.08 | $0.18 | $0.016 | — | 1,048,576 | 384,000 | |
| Ambient | Gateway | $0.08 | $0.18 | $0.016 | $0 | 1,048,576 | 1,048,576 | |
| Eden AI deepinfra/deepseek-ai/DeepSeek-V4-Flash-0731 | Gateway | $0.08 | $0.18 | $0.016 | — | 1,048,576 | 384,000 | |
| Eden AI flexai/DeepSeek-V4-Flash-0731 | Gateway | $0.08 | $0.18 | — | — | 1,000,000 ⚠ | 384,000 | |
| Eden AI | Gateway | $0.08 | $0.18 | — | — | 1,000,000 ⚠ | 384,000 | |
| DigitalOcean | Cloud | $0.08 | $0.252 | $0.025 | — | 1,048,576 | 1,048,576 | |
| Requesty | Gateway | $0.126 | $0.252 | $0.063 | — | 1,048,576 | 131,072 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Deep Infra$17.32
2Ambient$17.32
3Eden AI$17.32
4DigitalOcean$22.02
5Eden AI$25.00
6Eden AI$25.00
3 more channels offer $0 (Alibaba Token Plan, SCNet Token Plan, Alibaba Token Plan (China)); free tiers usually have rate limits and no SLA, excluded from ranking.
The cheapest paid channel is the only channel.
Benchmark9 items
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| Terminal-Bench | variant: max · v2.1 | 82.7 | pass@1 | Source ↗ |
| NL2Repo | harness: DeepSeek Harness minimal mode · variant: max effort | 54.2 | resolve rate | Source ↗ |
| CyberGym | harness: DeepSeek Harness minimal mode · variant: max effort | 76.7 | score | Source ↗ |
| DeepSWE | harness: DeepSeek Harness minimal mode · variant: max effort | 54.4 | resolve rate | Source ↗ |
| Toolathlon-Verified | harness: DeepSeek Harness minimal mode · variant: max effort | 70.3 | score | Source ↗ |
| Agents' Last Exam | harness: DeepSeek Harness minimal mode · variant: max effort | 25.2 | score | Source ↗ |
| AutomationBench | variant: max effort · dataset: public | 25.1 | success rate | Source ↗ |
| DSBench-FullStack | variant: max effort · dataset: internal | 68.7 | score | Source ↗ |
| DSBench-Hard | variant: max effort · dataset: internal | 59.6 | score | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.
Reasoning control
Toggle (on / off)effort = higheffort = maxeffort = noneeffort = loweffort = mediumbudget_tokenseffort = minimaleffort = xhigh
1 / 40 providers expose no reasoning control (reasoning_options: []).
Related models
DeepSeek V4 Flash 0731 Fastsame series$0.35 / $0.70DeepSeek V4 Flash 0731 TEEsame series$0.14 / $0.28DeepSeek V4 Flash 0731 (Thinking)same series$0.14 / $0.28DeepSeek V4 Flashcheaper alternative$0.14 / $0.28MiMo-V2.5cheaper alternative$0.14 / $0.28Gemini 2.5 Flash-Litecheaper alternative$0.10 / $0.40Qwen3.6 Flashcheaper alternative$0.188 / $1.13
Price historyone sample accumulated per data sync
Input listOutput listMin blended