Claude Sonnet 4.6 vs DeepSeek V4 Flash Vision Exp
At a Glance
| Compare | Claude Sonnet 4.6Anthropic |  DeepSeek V4 Flash Vision ExpDeepSeek |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #24 of 4660.3 score · 3/3 sources · complete | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #31 of 44$0.198 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #31 of 3847.3 score · 3/3 sources · complete | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Anthropic ↗ · Sep 3, 2026 | $0.22DeepSeek ↗ · Sep 2, 2026 |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | $0.66DeepSeek ↗ · Sep 2, 2026 |
| Context windowMaximum documented tokens | 1,000K | 1,049K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 2, 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 | Claude Sonnet 4.6 | DeepSeek-V4-Flash-Vision-Exp |
|---|---|---|
| LiveBench2026-06-25 · overall · leader | 77.1197% of row best · percent · claude-sonnet-4-6-thinking-auto-medium-effort · 13,226 output tokens / case | 79.67100% of row best · percent · deepseek-v4-flash-vision-exp · 52,644 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo overall winner |
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 | Claude Sonnet 4.6 | DeepSeek-V4-Flash-Vision-Exp |
|---|---|---|
| Developer | Anthropic | DeepSeek |
| Family | Claude 4 | Deepseek V4 Flash Vision Exp |
| Model | Claude Sonnet 4.6 | DeepSeek-V4-Flash-Vision-Exp |
| Version | Claude Sonnet 4.6 | DeepSeek-V4-Flash-Vision-Exp |
| Lifecycle | active | retired |
| Released | 2026-02-17 | 2026-08-21 |
| Knowledge cutoff | 2025-08-01 | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,049K |
| Total parameters | Unknown | 304.6B |
| Active parameters | Unknown | Unknown |
| License | Unknown | mit |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard), Deepinfra (Standard) | DeepSeek (Standard), Deepinfra (Standard), Fireworks Ai (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, structured_outputs, tools |
Claude Sonnet 4.6 Capabilities
DeepSeek V4 Flash Vision Exp Capabilities
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Claude Sonnet 4.6Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.6 vs DeepSeek V4 Flash Vision Exp FAQs
Is Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.6 and DeepSeek V4 Flash Vision Exp, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
Claude Sonnet 4.6 is $3.00 and DeepSeek V4 Flash Vision Exp is $0.22 per million tokens, so DeepSeek V4 Flash Vision Exp is cheaper on this metric. Claude Sonnet 4.6 is $15.00 and DeepSeek V4 Flash Vision Exp is $0.66 per million tokens, so DeepSeek V4 Flash Vision Exp is cheaper on this metric.
Which has a larger context window, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
DeepSeek V4 Flash Vision Exp has the larger sourced context window. Claude Sonnet 4.6 supports 1,000K and DeepSeek V4 Flash Vision Exp supports 1,049K.
Which performs better in benchmarks, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp be self-hosted?+
DeepSeek V4 Flash Vision Exp is the only model in this pair currently marked as self-hostable. Claude Sonnet 4.6 is not marked open weight; DeepSeek V4 Flash Vision Exp is open weight.
Can Claude Sonnet 4.6 and DeepSeek V4 Flash Vision Exp understand images?+
Claude Sonnet 4.6 is documented with image input; DeepSeek V4 Flash Vision Exp is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
DeepSeek V4 Flash Vision Exp has the larger sourced maximum output: Claude Sonnet 4.6 supports 128K and DeepSeek V4 Flash Vision Exp supports 393K output tokens.
Do Claude Sonnet 4.6 and DeepSeek V4 Flash Vision Exp support reasoning and tool use?+
Claude Sonnet 4.6: reasoning, tool calling, and image input. DeepSeek V4 Flash Vision Exp: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
Claude Sonnet 4.6 has 2 sourced provider routes; DeepSeek V4 Flash Vision Exp has 3, so DeepSeek V4 Flash Vision Exp has broader tracked availability.
Which offers better value, Claude Sonnet 4.6 or DeepSeek V4 Flash Vision Exp?+
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.