DeepSeek V4 Flash vs Gemini 3.5 Flash
At a Glance
| Compare |  DeepSeek V4 FlashDeepSeek |  Gemini 3.5 FlashGoogle DeepMind |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.0868Openrouter ↗ · Aug 28, 2026 | $1.50Google AI ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | $0.1736Openrouter ↗ · Aug 28, 2026 | $9.00Google AI ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | 1,049K | 1,049K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | DeepSeek-V4-Flash | Gemini 3.5 Flash |
|---|---|---|
| ARC-AGI-1verified-v1-613c385b0c93 · verified_score · leader | 89.0096% of row best · percent · DeepSeek V4 Flash 0731 (Max) | 92.50100% of row best · percent · Gemini 3.5 Flash (High) |
| ARC-AGI-2verified-v2-be40992860f9 · verified_score · leader | 61.3985% of row best · percent · DeepSeek V4 Flash 0731 (Max) | 72.08100% of row best · percent · Gemini 3.5 Flash (High) |
| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e · arena_rating · leader | 1,431.8497% of row best · rating · deepseek-v4-flash; 95% CI [1427.81979734, 1435.85552908]; votes 51987; rank 92 | 1,477.42100% of row best · rating · gemini-3.5-flash-medium; 95% CI [1473.29723956, 1481.53686131]; votes 47292; rank 23 |
| LiveBench2026-06-25-90f8d44da965 · overall · leader | 69.6788% of row best · percent · deepseek-v4-flash · 34,434 output tokens / case | 78.84100% of row best · percent · gemini-3.5-flash-high · 15,522 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark wins | 4 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.
Side-by-Side Facts
| Field | DeepSeek-V4-Flash | Gemini 3.5 Flash |
|---|---|---|
| Developer | DeepSeek | Google DeepMind |
| Family | Deepseek V4 Flash | Gemini 3 |
| Model | DeepSeek-V4-Flash | Gemini 3.5 Flash |
| Version | DeepSeek-V4-Flash | Gemini 3.5 Flash |
| Lifecycle | retired | active |
| Released | 2026-04-24 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text, Image, Video, Audio, Document |
| Output modalities | Text | Text |
| Context window | 1,049K | 1,049K |
| 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) | Google AI (Standard), Google Gemini (Standard) |
| Capabilities | chat, generation, reasoning | chat, generation, reasoning, tools |
DeepSeek V4 Flash Capabilities
Gemini 3.5 Flash Capabilities
Related Comparisons
All text comparisons →| A | Pair | B | Context |
|---|---|---|---|
DeepSeek-V4-FlashDeepSeek | vs | DeepSeek-V4.1-FlashDeepSeek | family variantstext |
DeepSeek-V4-FlashDeepSeek | vs | DeepSeek-V4-Flash-BaseDeepSeek | family variantstext |
DeepSeek-V4-FlashDeepSeek | vs | Gemini 3.8 Flash CyberGoogle DeepMind | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs |  GLM-5.3-FlashZ.ai | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs | DeepSeek-V4-Flash-Vision-ExpDeepSeek | family variantstext |
DeepSeek-V4-FlashDeepSeek | vs | DeepSeek-V4-Pro-0813DeepSeek | family variantstext |
DeepSeek-V4-FlashDeepSeek | vs | Gemini 2.5 FlashGoogle DeepMind | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs | Gemini 3 FlashGoogle DeepMind | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs | Gemini 3.7 FlashGoogle DeepMind | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs |  Sonar Reasoning ProPerplexity | cross-developer peerstext |
DeepSeek-V4-FlashDeepSeek | vs | GLM-5.2Z.ai | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
DeepSeek V4 Flash vs Gemini 3.5 Flash FAQs
Is DeepSeek V4 Flash or Gemini 3.5 Flash better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash and Gemini 3.5 Flash, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, DeepSeek V4 Flash or Gemini 3.5 Flash?+
DeepSeek V4 Flash is $0.0868 and Gemini 3.5 Flash is $1.50 per million tokens, so DeepSeek V4 Flash is cheaper on this metric. DeepSeek V4 Flash is $0.1736 and Gemini 3.5 Flash is $9.00 per million tokens, so DeepSeek V4 Flash is cheaper on this metric.
Which has a larger context window, DeepSeek V4 Flash or Gemini 3.5 Flash?+
Both models have the same sourced context window: 1,048,576 tokens each.
Which performs better in benchmarks, DeepSeek V4 Flash or Gemini 3.5 Flash?+
Gemini 3.5 Flash 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 Gemini 3.5 Flash be self-hosted?+
DeepSeek V4 Flash is documented as self-hostable; Gemini 3.5 Flash is documented as not self-hostable. DeepSeek V4 Flash is open weight; Gemini 3.5 Flash is not marked open weight.
Can DeepSeek V4 Flash and Gemini 3.5 Flash understand images?+
DeepSeek V4 Flash is not documented with image input; Gemini 3.5 Flash is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, DeepSeek V4 Flash or Gemini 3.5 Flash?+
Gemini 3.5 Flash has a sourced maximum output of 65,536 tokens; DeepSeek V4 Flash's maximum output is not reported. A larger limit cannot be determined.
Do DeepSeek V4 Flash and Gemini 3.5 Flash support reasoning and tool use?+
DeepSeek V4 Flash: reasoning. Gemini 3.5 Flash: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, DeepSeek V4 Flash or Gemini 3.5 Flash?+
DeepSeek V4 Flash has 5 sourced provider routes; Gemini 3.5 Flash has 2, so DeepSeek V4 Flash has broader tracked availability.
Which offers better value, DeepSeek V4 Flash or Gemini 3.5 Flash?+
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.