Claude Opus 4.5 vs Qwen3 Coder 480B A35B Instruct
Wins 4 of 5 areas
Coding · Reasoning · Long documents · Following instructions
Wins 0 of 5 areas
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Claude Opus 4.5 is the stronger all-rounder.Qwen3 Coder 480B A35B Instruct is cheaper.
Scores updated · 21 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 software51Claude Opus 4.55 of 6 tests
- ReasoningHard problems that need careful thinking30Claude Opus 4.53 of 3 tests
- Long documentsFinding answers in very long texts10Claude Opus 4.51 of 1 test
- Following instructionsDoing exactly what it is asked10Claude Opus 4.51 of 1 test
- FactsGetting facts right instead of making them up11Even1 each
Long documents and following instructions rest on a single test each.
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.
Qwen3 Coder 480B A35B Instruct costs 70% 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 4.5 pulls ahead
- Reasons across sets of long documentsAA-LCR+31.6points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+30.9points ahead
- Hard command-line tasks in a real terminalTerminal-Bench Hard+28.1points ahead
Where Qwen3 Coder 480B A35B Instruct pulls ahead
- Fixes real GitHub issues in many programming languagesSWE-bench Multilingual+47.7points ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+16.1points ahead
Every test, side by side
All 21 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 4.5
- SWE-bench MultilingualQwen3 Coder 480B A35B Instruct by 47.7754.7+47.7
- Terminal-Bench HardClaude Opus 4.5 by 28.14718.9+28.1
- LMArena · WebDevClaude Opus 4.5 by 196 rating points14691273+196 rating
- SciCodeClaude Opus 4.5 by 13.649.535.9+13.6
- SWE-bench ProClaude Opus 4.5 by 13.35238.7+13.3
- SWE-bench VerifiedClaude Opus 4.5 by 11.380.969.6+11.3
ReasoningClaude Opus 4.5
- Humanity's Last ExamClaude Opus 4.5 by 25.630.14.5+25.6
- GPQA DiamondClaude Opus 4.5 by 24.886.661.8+24.8
- CritPtClaude Opus 4.5 by 4.64.60+4.6
FactsEven
- AA-Omniscience · AccuracyClaude Opus 4.5 by 30.946.615.7+30.9
- AA-Omniscience · Non-hallucinationQwen3 Coder 480B A35B Instruct by 16.13955.1+16.1
Following instructionsClaude Opus 4.5
- IFBenchClaude Opus 4.5 by 17.55840.5+17.5
Other results8 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.
- τ²-Bench Telecom (AA run)Claude Opus 4.5 by 45.989.543.6+45.9
- AA Agentic IndexClaude Opus 4.5 by 41.359.618.3+41.3
- AA-OmniscienceClaude Opus 4.5 by 36.214-22.2+36.2
- Multi-SWE-BenchClaude Opus 4.5 by 24.25025.8+24.2
- Artificial Analysis Coding IndexClaude Opus 4.5 by 23.247.824.6+23.2
- Terminal-Bench 2.0Claude Opus 4.5 by 21.859.337.5+21.8
- swe_bench_bashClaude Opus 4.5 by 1974.455.4+19
- AA IntelligenceClaude Opus 4.5 by 17.229.111.9+17.2
Questions people ask
Which is better, Claude Opus 4.5 or Qwen3 Coder 480B A35B Instruct?
Claude Opus 4.5 wins four of the five areas where both have results: coding, reasoning, long documents and following instructions. Qwen3 Coder 480B A35B Instruct wins none, but costs 70% less. They are level on facts.
Which is better for coding?
Claude Opus 4.5. It wins 5 of the 6 coding tests both models report; Qwen3 Coder 480B A35B Instruct wins 1.
Which is cheaper?
Claude Opus 4.5 costs $5.00 per million input tokens and $25.00 per million output tokens; Qwen3 Coder 480B A35B Instruct costs $1.50 and $7.50. That makes Qwen3 Coder 480B A35B Instruct about 70% cheaper for the same work.
How do you compare the two?
We use the 21 benchmark tests both models have published scores on. The verdict counts the 13 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 8 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.