Agnes 2.5 Pro Beta vs Solar Open2 250B
Wins 4 of 5 areas
Coding · Agents · Reasoning · Long documents
Wins 1 of 5 areas
Facts
Agnes 2.5 Pro Beta is the stronger all-rounder.Solar Open2 250B is better at facts.
Scores updated · 14 tests both models report · How we compare
Where each one wins
Tests won in each of the five areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- ReasoningHard problems that need careful thinking30Agnes 2.5 Pro Beta3 of 3 tests
- AgentsCarrying out multi-step tasks on its own20Agnes 2.5 Pro Beta2 of 2 tests
- CodingWriting and fixing software10Agnes 2.5 Pro Beta1 of 2 tests · 1 tie
- Long documentsFinding answers in very long texts10Agnes 2.5 Pro Beta1 of 1 test
- FactsGetting facts right instead of making them up02Solar Open2 250B2 of 2 tests
Long documents rests on a single test.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Agnes 2.5 Pro Beta pulls ahead
- Command-line tasks in a real terminalTerminal-Bench 2.1+25.5points ahead
- Customer-service tasks in a simulated bankτ-Bench V3 · Banking+14.1points ahead
- Real work tasks from 44 professionsGDPVal+13points ahead
Where Solar Open2 250B pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+7.4points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+2points ahead
Every test, side by side
All 14 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingAgnes 2.5 Pro Beta
- Terminal-Bench 2.1Agnes 2.5 Pro Beta by 25.569.744.2+25.5
- SciCodetie48.848tie
AgentsAgnes 2.5 Pro Beta
- τ-Bench V3 · BankingAgnes 2.5 Pro Beta by 14.135.721.6+14.1
- GDPValAgnes 2.5 Pro Beta by 1340.627.6+13
ReasoningAgnes 2.5 Pro Beta
- CritPtAgnes 2.5 Pro Beta by 1015.75.7+10
- Humanity's Last ExamAgnes 2.5 Pro Beta by 937.528.5+9
- GPQA DiamondAgnes 2.5 Pro Beta by 4.890.585.7+4.8
FactsSolar Open2 250B
- AA-Omniscience · Non-hallucinationSolar Open2 250B by 7.467.274.6+7.4
- AA-Omniscience · AccuracySolar Open2 250B by 216.818.8+2
Long documentsAgnes 2.5 Pro Beta
- AA-LCRAgnes 2.5 Pro Beta by 11.38371.7+11.3
Other results4 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- Artificial Analysis Coding IndexAgnes 2.5 Pro Beta by 17.362.345+17.3
- AA Agentic IndexAgnes 2.5 Pro Beta by 1643.827.8+16
- AA IntelligenceAgnes 2.5 Pro Beta by 10.535.224.7+10.5
- AA-OmniscienceSolar Open2 250B by 8.7-10.5-1.8+8.7
Questions people ask
Which is better, Agnes 2.5 Pro Beta or Solar Open2 250B?
Agnes 2.5 Pro Beta wins four of the five areas where both have results: coding, agents, reasoning and long documents. Solar Open2 250B wins facts.
Which is better for coding?
Agnes 2.5 Pro Beta. It wins 1 of the 2 coding tests both models report; Solar Open2 250B wins none, and 1 is a tie.
How do you compare the two?
We use the 14 benchmark tests both models have published scores on. The verdict counts the 10 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 4 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.