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MAI-Thinking-1vsSolar Open 2 250B-A15B

Solar Open 2 250B-A15B leads 5 of 6 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 – 5
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)
— · —
Microsoft · Upstage
MAI-Thinking-1
Microsoft · released 2026-08-12
text
Context
256K
Max out
64K
Input /1M
Output /1M
Cached /1M
Scores
15 · 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

BenchmarkMAI-Thinking-1Solar Open 2 250B-A15BΔEdge
Reported by both · 6
SWE-bench Verified73.5% 70.4% +3.1 ptMAI-Thinking-1
GPQA Diamond84.2% 86.3% -2.1 ptSolar Open 2 250B-A15B
MMLU-Pro85% 86.2% -1.2 ptSolar Open 2 250B-A15B
AIME 202694.5% 95.7% -1.2 ptSolar Open 2 250B-A15B
IFBench69% 80% -11 ptSolar Open 2 250B-A15B
LiveCodeBench v687.7% 92.4% -4.7 ptSolar Open 2 250B-A15B
Only MAI-Thinking-1 reports · 9
AIME 202597% not reported
AdvancedIF85% not reported
BFCL v372% not reported
GraphWalks (<=128K)90% not reported
HMMT February 202684.9% not reported
MultiChallenge53% not reported
SimpleQA Verified31% not reported
SWE-bench Pro52.8% not reported
Terminal-Bench 2.046% not reported
Only Solar Open 2 250B-A15B reports · 10
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%
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 MAI-Thinking-1 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

SpecMAI-Thinking-1Solar Open 2 250B-A15BEdge
Context window256K tokens1M tokensSolar Open 2 250B-A15B
Max output64K 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
Released2026-08-122026-07-24
Cited benchmark scores1516
Reliability

Provider status

All providers
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