Model profile
Upstage
New in 2026

Upstage: Solar Pro 3

Upstage: Solar Pro 3 is a budget-priced text-first model from Upstage with fast runtime profile, extended context posture, and the clearest fit around long-context research / agent workflows.

Best for: Long-context research / Agent workflowsFast latencyExtended contextBudget pricing
Intelligence
14.5

Benchmark blend

Coding
16.2

Dev workflow signal

Context
131K Tokens

Extended

Input Price
$0.15

Budget tier

Decision snapshot
49

Upstage: Solar Pro 3 currently reads as a budget text-first option with extended context and a fast runtime profile.

Overall profile
Use-case specific
Best for
Long-context research / Agent workflows
Latency tier
Fast
Price tier
Budget
Source coverage
OpenRouterArtificial Analysis

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
14.5
15

General reasoning and benchmark headroom.

Limited
Speed
142 tok/s
89

TTFT 1.14s

Above average
Context
131K Tokens
76

How much prompt and task state can stay in view.

Competitive
Price
$0.15
86

$0.60 output / 1M

Efficient

Editorial Profile

Upstage: Solar Pro 3 in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Use-case specificCoding score 16Math score N/A

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...

Identity

Upstage text-first profile

Positioning

Long-context research / Agent workflows with extended context and fast runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Large context headroom supports repo-wide prompts and long research sessions.

  • Latency and throughput look responsive enough for interactive loops.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Current metadata points to a text-first profile rather than a broad multimodal one.

Best fit
  • Long-context summarization, repo analysis, and policy or document review.

Explore Next

Similar profiles worth opening next

Upstage

Upstage: Solar Pro 4

Intelligence
41.6
Context
524K Tokens
Input Price
$0.30
Upstage

Solar Open2 250B

Intelligence
37.5
Context
N/A
Input Price
$0.00
Upstage

Solar Open 100B (Reasoning)

Intelligence
15.2
Context
N/A
Input Price
$0.00

Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
14.5
GPQA
72.4%
HLE
10.3%
Coding

Software implementation, debugging quality, and coding benchmark signal.

Coding Index
16.2
SciCode
24.7%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

IFBench
71.2%
TAU2
86.3%
TerminalBench Hard
7.6%
LCR
31.0%

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
131K Tokens
Vision
Text-first
Modalities
text
Tokenizer
Other
Max Completion
117964
Moderation
No
Supported Parameters
frequency_penaltyinclude_reasoningmax_tokensparallel_tool_callspresence_penaltyreasoningresponse_formatstructured_outputstemperaturetool_choicetoolstop_p
Input Modalities
text
Output Modalities
text
Price architecture
Input
per 1M input tokens
$0.15
Output
per 1M output tokens
$0.60
Blended
AA 3:1 mix
$0.26

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

OR Cache Read
$0.00

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.