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DeepSeek V3.2vsSolar Open 2 250B-A15B

Solar Open 2 250B-A15B leads 4 of 5 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
1 – 4
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)
100% · —
DeepSeek · Upstage
DeepSeek V3.2
DeepSeek · released 2025-12-01
text
Context
131K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
8 · 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

BenchmarkDeepSeek V3.2Solar Open 2 250B-A15BΔEdge
Reported by both · 5
SWE-bench Verified73.1% 70.4% +2.7 ptDeepSeek V3.2
GPQA Diamond82.4% 86.3% -3.9 ptSolar Open 2 250B-A15B
MMLU-Pro85% 86.2% -1.2 ptSolar Open 2 250B-A15B
AIME 202694.2% matharena95.7% -1.5 ptSolar Open 2 250B-A15B
Humanity's Last Exam (no tools)25.1% 28.8% -3.7 ptSolar Open 2 250B-A15B
Only DeepSeek V3.2 reports · 2
AIME 202593.1% not reported
LMArena Elo1424.8 not reported
Only Solar Open 2 250B-A15B reports · 11
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 DeepSeek V3.2 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

SpecDeepSeek V3.2Solar Open 2 250B-A15BEdge
Context window131K tokens1M tokensSolar Open 2 250B-A15B
Max output66K tokens
Input price / 1M
Output price / 1M
Cached input / 1M
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
ModalitiestexttextTie
Released2025-12-012026-07-24
Cited benchmark scores816
Reliability

Provider status

All providers
More matchups

Solar Open 2 250B-A15B vs …

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Public benchmarks are a starting point. Run DeepSeek V3.2 and Solar Open 2 250B-A15B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.