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Seed-2.0-Code vs Solar Mini 4

Solar Mini 4 costs 15.0x less per output token than Seed-2.0-Code ($0.20 vs $3.00 per million). Updated October 22, 2026; no benchmark has tested both models yet.

Seed-2.0-CodeByteDance Seed
Coding
No data
Overall
No data
Output $/M
$3.00
Solar Mini 4Upstage
Coding
No data
Overall
No data
Output $/M
$0.20
vs $3.00 vs $0.20 per 1M output tokens. Solar Mini 4 is 15.0x cheaper.

Seed-2.0-Code or Solar Mini 4: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Compare them on price, context and the boards below.

No benchmark has tested both yet. Seed-2.0-Code has none yet; Solar Mini 4 on SciCode, AA Intelligence Index and Humanity's Last Exam (Artificial Analysis run). Compare them on price and context instead.

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.

At a glance

Coding index
Seed-2.0-Code not benchmarked, Solar Mini 4 not benchmarked.
Widest category
None yet: no category has been tested on both models.
Widest single gap
None yet: no benchmark has tested both models.
Output price
Seed-2.0-Code $3.00 against Solar Mini 4 $0.20 per million output tokens, 15.0x apart.
Context window
Seed-2.0-Code takes 262K tokens, Solar Mini 4 524K.

Benchmark by benchmark

Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.

CodingDirectional onlySix of these boards feed the Vibe Coding Index1 board measured
Coding benchmarks for Seed-2.0-Code and Solar Mini 4
BenchmarkSeed-2.0-CodeSolar Mini 4Leader
SciCodeNot measured47.6%Only Solar Mini 4 measured
Neither model has a result on the other 42 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
Intelligence benchmarks for Seed-2.0-Code and Solar Mini 4
BenchmarkSeed-2.0-CodeSolar Mini 4Leader
AA Intelligence IndexNot measured24.1Only Solar Mini 4 measured
Neither model has a result on the other 1 board here
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
Reasoning benchmarks for Seed-2.0-Code and Solar Mini 4
BenchmarkSeed-2.0-CodeSolar Mini 4Leader
Humanity's Last Exam (Artificial Analysis run)Not measured25.8%Only Solar Mini 4 measured
Neither model has a result on the other 22 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index4 boards measured
Web design benchmarks for Seed-2.0-Code and Solar Mini 4
BenchmarkSeed-2.0-CodeSolar Mini 4Leader
Design Arena: websitesNot measured1159Only Solar Mini 4 measured
Design Arena: UI componentsNot measured1073Only Solar Mini 4 measured
Design Arena: game devNot measured1105Only Solar Mini 4 measured
Design Arena: all code categoriesNot measured1149Only Solar Mini 4 measured
Neither model has a result on the other 5 boards here
GeneralDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
General benchmarks for Seed-2.0-Code and Solar Mini 4
BenchmarkSeed-2.0-CodeSolar Mini 4Leader
Long context reasoning (AA-LCR)Not measured83.3%Only Solar Mini 4 measured
Neither model has a result on the other 47 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

Seed-2.0-Code$0.0020Fits in one request
Solar Mini 4$0.0001Fits in one request

Solar Mini 4 costs less

Repository review

50K input + 3K output tokens

Seed-2.0-Code$0.034Fits in one request
Solar Mini 4$0.0031Fits in one request

Solar Mini 4 costs less

Agent loop

200K input + 10K output tokens

Seed-2.0-Code$0.130Fits in one request
Solar Mini 4$0.012Fits in one request

Solar Mini 4 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.

Specifications of Seed-2.0-Code and Solar Mini 4
SpecificationByteDance Seed Seed-2.0-CodeUpstage Solar Mini 4
MakerByteDance SeedUpstage
WeightsNo public weights listedNo public weights listed
ReleasedAugust 12, 2026September 23, 2026
Context window262K524K
Input $/Mtok$0.50$0.05
Output $/Mtok$3.00$0.20
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Seed-2.0-Code better than Solar Mini 4 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 Solar Mini 4?

Seed-2.0-Code costs $0.50 per million input tokens and $3.00 per million output tokens; Solar Mini 4 costs $0.05 and $0.20. Cost per solved task is known for neither of them.

Which has the bigger context window, Seed-2.0-Code or Solar Mini 4?

Solar Mini 4, with 524K tokens against 262K.

Has any benchmark tested both Seed-2.0-Code and Solar Mini 4?

No benchmark has tested both yet. Seed-2.0-Code has none yet; Solar Mini 4 on SciCode, AA Intelligence Index and Humanity's Last Exam (Artificial Analysis run). Compare them on price and context instead. Data as of October 22, 2026.

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