DeepSeek-V4-Flash-0423 vs DeepSeek-V4-Flash-0731: Specs & Benchmark Comparison

CharacteristicDeepSeek-V4-Flash-0423DeepSeek-V4-Flash-0731
CompanyDeepSeekDeepSeek
Release DateApril 23, 2026July 31, 2026
Parameters284B304B
MultimodalNoNo
Context (input)1.0M1.0M
Context (output)131K393K
Input Price / 1M$0.14$0.14
Output Price / 1M$0.28$0.28
Average Score0.90.7

Verdict

DeepSeek-V4-Flash-0731 leads in 1 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: DeepSeek-V4-Flash-0423 — 0.9, DeepSeek-V4-Flash-0731 — 0.7.

API Cost

API cost is identical: input $0.14/1M, output $0.28/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

DeepSeek-V4-Flash-0731 is newer: released 7/31/2026 vs 4/23/2026.

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Frequently Asked Questions

Which is better for coding — DeepSeek-V4-Flash-0423 or DeepSeek-V4-Flash-0731?
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-0423 or DeepSeek-V4-Flash-0731?
DeepSeek-V4-Flash-0423 is cheaper for input: $0.14 per 1M tokens vs $0.14.
Which has a larger context window — DeepSeek-V4-Flash-0423 or DeepSeek-V4-Flash-0731?
DeepSeek-V4-Flash-0423 supports a larger context: 1,000,000 tokens vs 1,000,000.

The DeepSeek-V4-Flash-0423 and DeepSeek-V4-Flash-0731 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-0423 or DeepSeek-V4-Flash-0731 page. See also the complete list of AI model comparisons.