o3 Mini High vs Solar Mini 4
Updated October 21, 2026. 1 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Neither model has a coding score yet, so the two cannot be ranked on coding.
o3 Mini High has the edge where the benchmark that matters is AA Intelligence Index, where it leads.
- Shared results
- 1
- o3 Mini High only
- 2
- Solar Mini 4 only
- 6
- Like-for-like categories
- 1 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
Solar Mini 4
Solar Mini 4 leads, 24.1 against 11.0.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only o3 Mini High has a AA Agentic Index result, 0.9.
Directional only
Web design
Design Arena: websites
No call
Only Solar Mini 4 has a Design Arena: websites result, 1160.
Directional only
Long documents
Listed context window
Solar Mini 4
Solar Mini 4 takes 524K tokens against 200K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Solar Mini 4
o3 Mini High $0.0033, Solar Mini 4 $0.0001 per turn.
List prices
At a glance
- Coding index
- o3 Mini High not benchmarked, Solar Mini 4 not benchmarked.
- Widest category
- Intelligence, 13.1 points apart on average over 1 shared benchmark.
- Widest single gap
- AA Intelligence Index: o3 Mini High 11.0 against Solar Mini 4 24.1, 13.1 points apart on a 0 to 100 scale.
- Output price
- o3 Mini High $4.40 against Solar Mini 4 $0.20 per million output tokens, 22.0x apart.
- Context window
- o3 Mini High takes 200K tokens, Solar Mini 4 524K.
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.
| Category | o3 Mini High | Bars | Solar Mini 4 | Ties |
|---|---|---|---|---|
| Intelligence | 0 | 1 | ||
| All shared boards | 0 | 1 |
CodingDirectional onlySix of these boards feed the Vibe Coding Index2 boards, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| AA Coding Index | 16.3 | Not measured | Only o3 Mini High measured |
| SciCode | Not measured | 47.6% | Only Solar Mini 4 measured |
| Neither model has a result on the other 36 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| AA Intelligence Index | 11.0 | 24.1 | Solar Mini 4 |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| AA Agentic Index | 0.9 | Not measured | Only o3 Mini High measured |
| Neither model has a result on the other 38 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 25.8% | Only Solar Mini 4 measured |
| Neither model has a result on the other 20 boards here | |||
MathNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| Neither model has a result on 13 boards here | |||
KnowledgeNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| Neither model has a result on 17 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index3 boards, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| Design Arena: websites | Not measured | 1160 | Only Solar Mini 4 measured |
| Design Arena: game dev | Not measured | 1113 | Only Solar Mini 4 measured |
| Design Arena: all code categories | Not measured | 1153 | Only Solar Mini 4 measured |
| Neither model has a result on the other 6 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index1 board, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | Leader |
|---|---|---|---|
| Long context reasoning (AA-LCR) | Not measured | 83.3% | Only Solar Mini 4 measured |
| Neither model has a result on the other 45 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | o3 Mini High | Solar Mini 4 | 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
Solar Mini 4 costs less
Repository review
50K input + 3K output tokens
Solar Mini 4 costs less
Agent loop
200K input + 10K output tokens
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.
| Specification | OpenAI o3 Mini High | Upstage Solar Mini 4 |
|---|---|---|
| Maker | OpenAI | Upstage |
| Weights | No public weights listed | No public weights listed |
| Released | February 12, 2025 | September 23, 2026 |
| Context window | 200K | 524K |
| Input $/Mtok | $1.10 | $0.05 |
| Output $/Mtok | $4.40 | $0.20 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is o3 Mini High better than Solar Mini 4 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. o3 Mini High has the edge where the benchmark that matters is AA Intelligence Index, where it leads.
Which is cheaper, o3 Mini High or Solar Mini 4?
o3 Mini High costs $1.10 per million input tokens and $4.40 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, o3 Mini High or Solar Mini 4?
Solar Mini 4, with 524K tokens against 200K.
How many benchmarks is the o3 Mini High vs Solar Mini 4 comparison based on?
1 benchmarks have a result for both models as of October 21, 2026. o3 Mini High's coding index rests on 0 independent benchmarks and Solar Mini 4's on 0. Where only one model has a result, the page says so instead of naming a winner.