DeepSeek V4 Flash Vision Exp vs o3
At a Glance
| Compare |  DeepSeek V4 Flash Vision ExpDeepSeek |  o3OpenAI |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.22DeepSeek ↗ · Sep 2, 2026 | $1.00Openrouter ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $0.66DeepSeek ↗ · Sep 2, 2026 | $4.00Openrouter ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 1,049K | 200K |
| Model facts checked | Sep 2, 2026View model evidence → | Sep 3, 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
Side-by-Side Facts
| Field | DeepSeek-V4-Flash-Vision-Exp | o3 |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Family | Deepseek V4 Flash Vision Exp | O3 |
| Model | DeepSeek-V4-Flash-Vision-Exp | o3 |
| Version | DeepSeek-V4-Flash-Vision-Exp | o3 |
| Lifecycle | retired | active |
| Released | 2026-08-21 | 2025-04-16 |
| Knowledge cutoff | Unknown | 2024-06-01 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,049K | 200K |
| Total parameters | 304.6B | Unknown |
| Active parameters | Unknown | 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) | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, structured_outputs, tools |
DeepSeek V4 Flash Vision Exp Capabilities
o3 Capabilities
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Primary Evidence
Sources and Freshness
Questions
DeepSeek V4 Flash Vision Exp vs o3 FAQs
Is DeepSeek V4 Flash Vision Exp or o3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both DeepSeek V4 Flash Vision Exp and o3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, DeepSeek V4 Flash Vision Exp or o3?+
DeepSeek V4 Flash Vision Exp is $0.22 and o3 is $1.00 per million tokens, so DeepSeek V4 Flash Vision Exp is cheaper on this metric. DeepSeek V4 Flash Vision Exp is $0.66 and o3 is $4.00 per million tokens, so DeepSeek V4 Flash Vision Exp is cheaper on this metric.
Which has a larger context window, DeepSeek V4 Flash Vision Exp or o3?+
DeepSeek V4 Flash Vision Exp has the larger sourced context window. DeepSeek V4 Flash Vision Exp supports 1,049K and o3 supports 200K.
Which performs better in benchmarks, DeepSeek V4 Flash Vision Exp or o3?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can DeepSeek V4 Flash Vision Exp or o3 be self-hosted?+
DeepSeek V4 Flash Vision Exp is the only model in this pair currently marked as self-hostable. DeepSeek V4 Flash Vision Exp is open weight; o3 is not marked open weight.
Can DeepSeek V4 Flash Vision Exp and o3 understand images?+
DeepSeek V4 Flash Vision Exp is documented with image input; o3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, DeepSeek V4 Flash Vision Exp or o3?+
DeepSeek V4 Flash Vision Exp has the larger sourced maximum output: DeepSeek V4 Flash Vision Exp supports 393K and o3 supports 100K output tokens.
Do DeepSeek V4 Flash Vision Exp and o3 support reasoning and tool use?+
DeepSeek V4 Flash Vision Exp: reasoning, tool calling, and image input. o3: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, DeepSeek V4 Flash Vision Exp or o3?+
DeepSeek V4 Flash Vision Exp has 3 sourced provider routes; o3 has 2, so DeepSeek V4 Flash Vision Exp has broader tracked availability.
Which offers better value, DeepSeek V4 Flash Vision Exp or o3?+
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.