DeepSeek-V4-Flash-Vision-Exp vs Seed 2.1 Pro: Specs & Benchmark Comparison

CharacteristicDeepSeek-V4-Flash-Vision-ExpSeed 2.1 Pro
CompanyDeepSeekByteDance
Release DateAugust 21, 2026June 24, 2026
Parameters
MultimodalYesYes
Context (input)1.0M
Context (output)393K
Input Price / 1M$0.22
Output Price / 1M$0.66
Average Score0.50.6
Benchmarks
DeepSWE0.60.3
ZEROBench0.30.2
Agents' Last Exam0.30.4
Terminal-Bench 2.10.80.7
NL2Repo0.60.5

Visual Benchmark Comparison

DeepSeek-V4-Flash-Vision-Exp
Seed 2.1 Pro
DeepSWE0.6 vs 0.3
0.6
0.3
ZEROBench0.3 vs 0.2
0.3
0.2
Agents' Last Exam0.3 vs 0.4
0.3
0.4
Terminal-Bench 2.10.8 vs 0.7
0.8
0.7
NL2Repo0.6 vs 0.5
0.6
0.5

Verdict

DeepSeek-V4-Flash-Vision-Exp leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V4-Flash-Vision-Exp — 0.5, Seed 2.1 Pro — 0.6.

Recency

DeepSeek-V4-Flash-Vision-Exp is newer: released 8/21/2026 vs 6/24/2026.

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Frequently Asked Questions

Which is better for coding — DeepSeek-V4-Flash-Vision-Exp or Seed 2.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — DeepSeek-V4-Flash-Vision-Exp or Seed 2.1 Pro?
API pricing data is available on the individual model pages.
Which has a larger context window — DeepSeek-V4-Flash-Vision-Exp or Seed 2.1 Pro?
Context window data is available on the individual model pages.

The DeepSeek-V4-Flash-Vision-Exp and Seed 2.1 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Flash-Vision-Exp or Seed 2.1 Pro page. See also the complete list of AI model comparisons.