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o3vsSolar Open 2 250B-A15B

Solar Open 2 250B-A15B leads 2 of 2 shared benchmarks. Solar Open 2 250B-A15B has the larger context window (1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 2
Solar Open 2 250B-A15B leads
Cheaper per token
list price, input + output
Larger context
Solar Open 2 250B-A15B
1M tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Upstage
o3
OpenAI · released 2025-04-16
textvision
Context
200K
Max out
100K
Input /1M
$2
Output /1M
$8
Cached /1M
$0.5
Scores
7 · 7 core
Solar Open 2 250B-A15B
Upstage · released 2026-07-24
text
Context
1M
Max out
Input /1M
Output /1M
Cached /1M
Scores
16 · 5 core
Quality

Benchmark matrix

Benchmarko3Solar Open 2 250B-A15BΔEdge
Reported by both · 2
SWE-bench Verified69.1% 70.4% -1.3 ptSolar Open 2 250B-A15B
GPQA Diamond81.8% epoch86.3% -4.5 ptSolar Open 2 250B-A15B
Only o3 reports · 5
AIME 202589.2% matharenanot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)33.3% epochnot reported
OTIS Mock AIME 2024-2025 (Epoch AI run)84.4% epochnot reported
SimpleQA Verified49.4% epochnot reported
SWE-bench Verified (Epoch AI run)62.3% epochnot reported
Only Solar Open 2 250B-A15B reports · 14
MMLU-Pronot reported86.2%
AIME 2026not reported95.7%
Humanity's Last Exam (no tools)not reported28.8%
AA-LCRnot reported62.3%
APEX-Agentsnot reported16.6%
ArtifactsBenchnot reported55.9%
GDPval-AA v2not reported1128
HMMT 2026-02not reported93.9%
IFBenchnot reported80%
LiveCodeBench v6not reported92.4%
MCP Atlasnot reported58.2%
Multi-Challengenot reported61%
Tau3-Bench (banking)not reported19.6%
Terminal Bench Hardnot reported28.3%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is o3 minus Solar Open 2 250B-A15B in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

Speco3Solar Open 2 250B-A15BEdge
Context window200K tokens1M tokensSolar Open 2 250B-A15B
Max output100K tokens
Input price / 1M$2
Output price / 1M$8
Cached input / 1M$0.5
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$10
Modalitiestext · visiontexto3
Released2025-04-162026-07-24
Cited benchmark scores716
Reliability

Provider status

All providers
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