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Solar Pro 4

Solar · Released 2026-08-06

Upstage hosted Solar Pro 4. AA list $0.30 / $1.20 per 1M tokens.

Paid Solar API workhorse. Open Solar Open2 250B is the weight-release sibling. Prefer sourced ledger rows.

Composite58
ContextUnlisted
Input / 1M$0.30
Output / 1M$1.2
Knowledge cutoffunpublished
Output speed80 t/s
Statussolid

Family profile

Best published score in each covered benchmark family.

66/100 avg
Reasoning
89
Coding
45
Agentic
57
Long context
74

4 tested benchmark families

Editor's note
Not the open Solar Open2 250B weights. Editorial depth still needs a desk pass.
Benchmark placements

Where Solar Pro 4 places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
AA output speedPerformance#40/ 191Artificial Analysis2026-09-28
GPQA DiamondReasoning#56/ 18489Artificial Analysis2026-09-28
Terminal-BenchAgentic#59/ 16757Artificial Analysis2026-09-28
SciCodeCoding#69/ 9745Artificial Analysis2026-09-28
Humanity's Last ExamReasoning#88/ 18629Artificial Analysis2026-09-28
AA-LCRLong context#97/ 18474Artificial Analysis2026-09-28
Family context

The three highest-scoring models with pages in each capability family. Where Solar Pro 4 shows up, it's highlighted.

ReasoningSolar Pro 4 · 89
  1. 1
    GPT-6 Astra
    96
  2. 2
    Claude Mythos Preview
    95
  3. 3
    Gemini 3.7 Flash
    95
Long contextSolar Pro 4 · 74
  1. 1
    Kimi K3
    89
  2. 2
    MiMo-V2.6-Pro
    86
  3. 3
    Claude Fable 5.1
    85
Newest receipts

Benchmark rows added to the public ledger for Solar Pro 4 in the last 120 days. Older rows live in the full table below.

6 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context74%Artificial Analysis13
AA output speedPerformance80 t/sArtificial Analysis13
GPQA DiamondReasoning89.1%Artificial Analysis13
Humanity's Last ExamReasoning29.2%Artificial Analysis13
SciCodeCoding44.6%Artificial Analysis13
Terminal-BenchAgentic57.3%Artificial Analysis13
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Reasoning89
Coding45
Agentic57
Long context74
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

AnthropicOpenAIGoogleAlibabaMetaZhipuxAIDeepSeekMiniMaxXiaomiMoonshotOtherMeituanMistralNVIDIACohere

Full benchmark ledger

Every catalog benchmark for Solar Pro 4. Scores link to the original source; gaps mean no public row exists yet.

6 sourced rows

6 of 13 catalog benchmarks have a sourced row for Solar Pro 4.

Reasoning

Coding

Agentic

Long context

Performance

Sources

Questions this model page answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

What is Solar Pro 4?

Solar Pro 4 is a Other model: Upstage hosted Solar Pro 4. AA list $0.30 / $1.20 per 1M tokens.

What is Solar Pro 4 for?

Paid Solar API workhorse. Open Solar Open2 250B is the weight-release sibling. Prefer sourced ledger rows.

What does Solar Pro 4 cost?

Solar Pro 4 lists $0.30 input and $1.2 output per 1M tokens. Pricing last checked 2026-08-15.

How large is the Solar Pro 4 context window?

Solar Pro 4 does not publish a context window on the sources checked for this page.

What is the VerdictPal status of Solar Pro 4?

Solar Pro 4 carries Solid status on the model atlas.

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