vs
0:2
overall capability wins (0 ties across 2 scored). Solar Pro 4 leads overall.
- Pricing3:0
- Specs0:2
Verdict
Solar Pro 4 offers ~125.0x larger context (512K vs 4K); Solar Pro 4 allows ~31.3x more max output (128K vs 4K); SOLAR 10.7B Instruct ships open weights (Apache 2.0).
- Solar Pro 4 offers ~125.0x larger context (512K vs 4K)
- Solar Pro 4 allows ~31.3x more max output (128K vs 4K)
- SOLAR 10.7B Instruct ships open weights (Apache 2.0)
- SOLAR 10.7B Instruct is ~5.2x cheaper on a blended token basis than Solar Pro 4
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- SOLAR 10.7B Instruct
- $0.13
- Solar Pro 4
- $0.60
SOLAR 10.7B Instruct is about 4.8x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Upstage
Upstage
Family
Solar
Solar
License
Apache 2.0
Proprietary
Open weights
Yes
No
Release
Dec 13, 2023
Aug 10, 2026
Knowledge cutoff
-
-
API / provider
Upstage
Upstage
Modalities
text → text
text → text
Specs
Context window
4K
512K
Max output
4K
128K
Parameters
10.7B
—
Pricing
Input $/1M
$0.10
$0.30
Output $/1M
$0.10
$1.20
Blended $/1M (3∶1)
$0.10
$0.52
Speed
tok/s
100
-
TTFT (s)
0.25
-
Reasoning
MMLU-Pro
—
—
GPQA Diamond
—
89.1
Humanity's Last Exam
—
29.2
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
—
18.9
AA-LCR v1.1
—
74.0
CritPt
—
5.4
MMMU-Pro
—
—
IFBench
—
—
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
—
57.3
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
—
44.6
CursorBench
—
—
SWE-Rebench
—
—
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
1,372
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
—
1,376
| Metric | SOLAR 10.7B Instruct | Solar Pro 4 | Delta |
|---|---|---|---|
| Identity | |||
| Organization | Upstage | Upstage | — |
| Family | Solar | Solar | — |
| License | Apache 2.0 | Proprietary | — |
| Open weights | Yes | No | — |
| Release | Dec 13, 2023 | Aug 10, 2026 | — |
| Knowledge cutoff | - | - | — |
| API / provider | Upstage | Upstage | — |
| Modalities | text → text | text → text | — |
| Specs | |||
| Context window | 4K | 512K | B +508K |
| Max output | 4K | 128K | B +124K |
| Parameters | 10.7B | — | — |
| Pricing | |||
| Input $/1M | $0.10 | $0.30 | A +$0.20 |
| Output $/1M | $0.10 | $1.20 | A +$1.10 |
| Blended $/1M (3∶1) | $0.10 | $0.52 | A +$0.42 |
| Speed | |||
| tok/s | 100 | - | — |
| TTFT (s) | 0.25 | - | — |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | — | 89.1 | — |
| Humanity's Last Exam | — | 29.2 | — |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | — | 18.9 | — |
| AA-LCR v1.1 | — | 74.0 | — |
| CritPt | — | 5.4 | — |
| MMMU-Pro | — | — | — |
| IFBench | — | — | — |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | — | 57.3 | — |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | — | 44.6 | — |
| CursorBench | — | — | — |
| SWE-Rebench | — | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | 1,372 | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | — | 1,376 | — |
SOLAR 10.7B Instruct
- Context
- 4K / 4K out
- Parameters
- 10.7B
- Price
- $0.10 / $0.10
- Speed
- 100 tok/s · 0.25s TTFT
- Modalities
- text → text
- License
- Apache 2.0
Upstage's depth-upscaled SOLAR 10.7B instruct — influential open Korean/English mid-size before Solar Pro.
Solar Pro 4
- Context
- 512K / 128K out
- Parameters
- —
- Price
- $0.30 / $1.20
- Speed
- —
- Modalities
- text → text
- License
- Proprietary
Upstage's proprietary successor to Solar Pro 3 — 512K context with up to 128K output tokens for loading multiple long documents into one session; EN/KO/JA text, released Aug 2026.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.
These two models have no overlapping published benchmarks in our dataset. Compare specs and pricing instead.