o3 Mini High vs Solar Pro 3
o3 Mini High leads Solar Pro 3 on the Artificial Analysis Intelligence Index, 11.0 to 7.8, and Solar Pro 3 costs 7.3x less per output token ($0.60 vs $4.40 per million). Updated October 21, 2026; 3 benchmarks have a result for both.
o3 Mini High or Solar Pro 3: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick o3 Mini High for a larger context window (200K against 131K tokens) and work measured by AA Agentic Index, where it leads.
- Shared results
- 3
- o3 Mini High only
- 0
- Solar Pro 3 only
- 7
- Like-for-like categories
- 3 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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
o3 Mini High
o3 Mini High leads, 11.0 against 7.8.
Same board, both measured
Agentic work
AA Agentic Index
Solar Pro 3
Solar Pro 3 leads, 1.4 against 0.9.
Same board, both measured
Long documents
Listed context window
o3 Mini High
o3 Mini High takes 200K tokens against 131K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Solar Pro 3
o3 Mini High $0.0033, Solar Pro 3 $0.0004 per turn.
List prices
At a glance
- Coding index
- o3 Mini High not benchmarked, Solar Pro 3 not benchmarked.
- Widest category
- Intelligence, 3.2 points apart on average over 1 shared benchmark.
- Widest single gap
- AA Intelligence Index: o3 Mini High 11.0 against Solar Pro 3 7.8, 3.2 points apart on a 0 to 100 scale.
- Output price
- o3 Mini High $4.40 against Solar Pro 3 $0.60 per million output tokens, 7.3x apart.
- Context window
- o3 Mini High takes 200K tokens, Solar Pro 3 131K.
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 Pro 3 | Ties |
|---|---|---|---|---|
| Coding | 1 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 0 | 1 | ||
| All shared boards | 2 | 1 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index10
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| AA Coding Index | 16.3 | 16.2 | o3 Mini High |
| SciCode | Not measured | 25.5% | Only Solar Pro 3 measured |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 7.6% | Only Solar Pro 3 measured |
| Neither model has a result on the other 36 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| AA Intelligence Index | 11.0 | 7.8 | o3 Mini High |
| Neither model has a result on the other 1 board here | |||
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| AA Agentic Index | 0.9 | 1.4 | Solar Pro 3 |
| τ²-Bench Telecom | Not measured | 86.3% | Only Solar Pro 3 measured |
| Neither model has a result on the other 39 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | Not measured | 72.4% | Only Solar Pro 3 measured |
| Humanity's Last Exam (Artificial Analysis run) | Not measured | 10.3% | Only Solar Pro 3 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 Pro 3 | 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 Pro 3 | Leader |
|---|---|---|---|
| Neither model has a result on 18 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | o3 Mini High | Solar Pro 3 | Leader |
|---|---|---|---|
| IFBench | Not measured | 71.2% | Only Solar Pro 3 measured |
| Long context reasoning (AA-LCR) | Not measured | 32.3% | Only Solar Pro 3 measured |
| Neither model has a result on the other 44 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | o3 Mini High | Solar Pro 3 | 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 Pro 3 costs less
Repository review
50K input + 3K output tokens
Solar Pro 3 costs less
Agent loop
200K input + 10K output tokens
Solar Pro 3 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 Pro 3 |
|---|---|---|
| Maker | OpenAI | Upstage |
| Weights | No public weights listed | No public weights listed |
| Released | February 12, 2025 | January 27, 2026 |
| Context window | 200K | 131K |
| Input $/Mtok | $1.10 | $0.15 |
| Output $/Mtok | $4.40 | $0.60 |
| 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 Pro 3 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick o3 Mini High for a larger context window (200K against 131K tokens) and work measured by AA Agentic Index, where it leads.
Which is cheaper, o3 Mini High or Solar Pro 3?
o3 Mini High costs $1.10 per million input tokens and $4.40 per million output tokens; Solar Pro 3 costs $0.15 and $0.60. Cost per solved task is known for neither of them.
Which has the bigger context window, o3 Mini High or Solar Pro 3?
o3 Mini High, with 200K tokens against 131K.
How many benchmarks is the o3 Mini High vs Solar Pro 3 comparison based on?
3 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 Pro 3's on 0. Where only one model has a result, the page says so instead of naming a winner.