Nemotron 3 Super 120B A12B vs Claude Opus 5
Wins 0 of 5 areas
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Wins 5 of 5 areas
Coding · Agents · Reasoning · Facts · Long documents
Claude Opus 5 is the stronger all-rounder.Nemotron 3 Super 120B A12B is cheaper.
Scores updated · 18 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.
- CodingWriting and fixing software04Claude Opus 54 of 4 tests
- AgentsCarrying out multi-step tasks on its own04Claude Opus 54 of 4 tests
- ReasoningHard problems that need careful thinking03Claude Opus 53 of 3 tests
- FactsGetting facts right instead of making them up02Claude Opus 52 of 2 tests
- Long documentsFinding answers in very long texts01Claude Opus 51 of 1 test
Long documents rests on a single test.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
Nemotron 3 Super 120B A12B costs 96% less for the same work.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Claude Opus 5 pulls ahead
- Finds hard-to-locate facts by browsing the webBrowseComp+59.5points ahead
- Command-line tasks in a real terminalTerminal-Bench 2.1+50.5points ahead
- Fixes real GitHub issues in many programming languagesSWE-bench Multilingual+43.7points ahead
Where Nemotron 3 Super 120B A12B pulls ahead
No clear win on a test scored out of 100.
Every test, side by side
All 18 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 5
- Terminal-Bench 2.1Claude Opus 5 by 50.538.689.1+50.5
- SWE-bench MultilingualClaude Opus 5 by 43.745.889.5+43.7
- SWE-bench VerifiedClaude Opus 5 by 42.353.796+42.3
- SciCodeClaude Opus 5 by 20.236.256.4+20.2
AgentsClaude Opus 5
- GDPValClaude Opus 5 by 61.1061.1+61.1
- BrowseCompClaude Opus 5 by 59.531.390.8+59.5
- Terminal-Bench 4.0Claude Opus 5 by 49049+49
- τ-Bench V3 · BankingClaude Opus 5 by 31.810.342.1+31.8
ReasoningClaude Opus 5
- Humanity's Last ExamClaude Opus 5 by 34.120.854.9+34.1
- CritPtClaude Opus 5 by 263.129.1+26
- GPQA DiamondClaude Opus 5 by 13.28093.2+13.2
FactsClaude Opus 5
- AA-Omniscience · AccuracyClaude Opus 5 by 36.624.360.9+36.6
- AA-Omniscience · Non-hallucinationClaude Opus 5 by 26.21339.2+26.2
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.
- AA-OmniscienceClaude Opus 5 by 78.6-41.537.1+78.6
- AA Agentic IndexClaude Opus 5 by 52.14.156.2+52.1
- Artificial Analysis Coding IndexClaude Opus 5 by 40.337.778+40.3
- AA IntelligenceClaude Opus 5 by 3812.850.8+38
Questions people ask
Which is better, Nemotron 3 Super 120B A12B or Claude Opus 5?
Claude Opus 5 wins all five areas where both have results: coding, agents, reasoning, facts and long documents. Nemotron 3 Super 120B A12B wins none, but costs 96% less.
Which is better for coding?
Claude Opus 5. It wins 4 of the 4 coding tests both models report; Nemotron 3 Super 120B A12B wins none.
Which is cheaper?
Nemotron 3 Super 120B A12B costs $0.30 per million input tokens and $0.90 per million output tokens; Claude Opus 5 costs $5.00 and $25.00. That makes Nemotron 3 Super 120B A12B about 96% cheaper for the same work.
How do you compare the two?
We use the 18 benchmark tests both models have published scores on. The verdict counts the 14 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.