Seed-2.0-Code vs DeepSeek V4 Flash 0423
Updated October 21, 2026. 0 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
- Coding
- No data
- Overall
- No data
- Output $/M
- $3.00
- Coding
- No data
- Overall
- 24.4
- Output $/M
- $0.28
Decision reading
Neither model has a coding score yet, so the two cannot be ranked on coding.
Compare them on price, context and the boards below.
- Shared results
- 0
- Seed-2.0-Code only
- 0
- DeepSeek V4 Flash 0423 only
- 48
- Like-for-like categories
- 0 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
No call
Only DeepSeek V4 Flash 0423 has a AA Intelligence Index result, 24.4.
Directional only
Agentic work
AA Agentic Index
No call
Only DeepSeek V4 Flash 0423 has a AA Agentic Index result, 26.3.
Directional only
Web design
Design Arena: websites
No call
Only DeepSeek V4 Flash 0423 has a Design Arena: websites result, 1208.
Directional only
Long documents
Listed context window
DeepSeek V4 Flash 0423
DeepSeek V4 Flash 0423 takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
DeepSeek V4 Flash 0423
Seed-2.0-Code $0.0020, DeepSeek V4 Flash 0423 $0.0003 per turn.
List prices
At a glance
- Coding index
- Seed-2.0-Code not benchmarked, DeepSeek V4 Flash 0423 not benchmarked.
- Widest category
- No category has a result for both models.
- Widest single gap
- No benchmark has a result for both models.
- Output price
- Seed-2.0-Code $3.00 against DeepSeek V4 Flash 0423 $0.28 per million output tokens, 10.7x apart.
- Context window
- Seed-2.0-Code takes 262K tokens, DeepSeek V4 Flash 0423 1.05M.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
CodingDirectional onlySix of these boards feed the Vibe Coding Index8 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1582 | Only DeepSeek V4 Flash 0423 measured |
| AA Coding Index | Not measured | 52.0 | Only DeepSeek V4 Flash 0423 measured |
| WeirdML | Not measured | 45.6% | Only DeepSeek V4 Flash 0423 measured |
| ALE-Bench | Not measured | 678.2 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: coding | Not measured | 1457 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: software and IT | Not measured | 1453 | Only DeepSeek V4 Flash 0423 measured |
| LMArena WebDev: React | Not measured | 1585 | Only DeepSeek V4 Flash 0423 measured |
| LMArena WebDev: HTML | Not measured | 1558 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 30 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| AA Intelligence Index | Not measured | 24.4 | Only DeepSeek V4 Flash 0423 measured |
| Epoch Capabilities Index | Not measured | 146.1 | Only DeepSeek V4 Flash 0423 measured |
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| AA Agentic Index | Not measured | 26.3 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 38 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| SimpleBench | Not measured | 46.3% | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: hard prompts | Not measured | 1444 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: expert | Not measured | 1441 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: hard prompts in English | Not measured | 1449 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 17 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| LMArena Text: math | Not measured | 1426 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: mathematical work | Not measured | 1432 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 11 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index4 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| LMArena Text: science | Not measured | 1446 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: medicine and healthcare | Not measured | 1448 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: legal and government | Not measured | 1439 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: business and finance | Not measured | 1425 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 13 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| Design Arena: websites | Not measured | 1208 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: UI components | Not measured | 1165 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: game dev | Not measured | 1197 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: data viz | Not measured | 1127 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: 3D | Not measured | 1189 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: all code categories | Not measured | 1205 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: SVG | Not measured | 1155 | Only DeepSeek V4 Flash 0423 measured |
| Design Arena: ASCII art | Not measured | 1109 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 1 board here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index19 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| DTBench | Not measured | 86.4% | Only DeepSeek V4 Flash 0423 measured |
| LMCA | Not measured | 35.9% | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text | Not measured | 1432 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: instruction following | Not measured | 1421 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: creative writing | Not measured | 1403 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: English | Not measured | 1441 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: non-English | Not measured | 1419 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Chinese | Not measured | 1463 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: German | Not measured | 1419 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Japanese | Not measured | 1389 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Korean | Not measured | 1383 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: French | Not measured | 1439 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Spanish | Not measured | 1436 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Russian | Not measured | 1427 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: Polish | Not measured | 1436 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: multi-turn | Not measured | 1449 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: longer queries | Not measured | 1434 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: writing and language | Not measured | 1410 | Only DeepSeek V4 Flash 0423 measured |
| LMArena Text: entertainment and media | Not measured | 1400 | Only DeepSeek V4 Flash 0423 measured |
| Neither model has a result on the other 27 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Seed-2.0-Code | DeepSeek V4 Flash 0423 | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
DeepSeek V4 Flash 0423 costs less
Repository review
50K input + 3K output tokens
DeepSeek V4 Flash 0423 costs less
Agent loop
200K input + 10K output tokens
DeepSeek V4 Flash 0423 costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | ByteDance Seed Seed-2.0-Code | DeepSeek V4 Flash 0423 |
|---|---|---|
| Maker | ByteDance Seed | DeepSeek |
| Weights | No public weights listed | Open weights |
| Released | August 12, 2026 | April 24, 2026 |
| Context window | 262K | 1.05M |
| Input $/Mtok | $0.50 | $0.14 |
| Output $/Mtok | $3.00 | $0.28 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Seed-2.0-Code better than DeepSeek V4 Flash 0423 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Compare them on price, context and the boards below.
Which is cheaper, Seed-2.0-Code or DeepSeek V4 Flash 0423?
Seed-2.0-Code costs $0.50 per million input tokens and $3.00 per million output tokens; DeepSeek V4 Flash 0423 costs $0.14 and $0.28. Cost per solved task is known for neither of them.
Which has the bigger context window, Seed-2.0-Code or DeepSeek V4 Flash 0423?
DeepSeek V4 Flash 0423, with 1.05M tokens against 262K.
How many benchmarks is the Seed-2.0-Code vs DeepSeek V4 Flash 0423 comparison based on?
0 benchmarks have a result for both models as of October 21, 2026. Seed-2.0-Code's coding index rests on 0 independent benchmarks and DeepSeek V4 Flash 0423's on 1. Where only one model has a result, the page says so instead of naming a winner.