Claude Opus 4.7 vs Muse Spark 1.1
Wins 4 of 8 areas
Coding · Images and charts · Math · Long documents
Wins 3 of 8 areas
Reasoning · Facts · Following instructions
Claude Opus 4.7 wins more areas, narrowly.Muse Spark 1.1 is cheaper and better at reasoning.
Scores updated · 33 tests both models report · How we compare
Where each one wins
Tests won in each of the eight areas we test. 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 software42Claude Opus 4.74 of 6 tests
- Images and chartsUnderstanding pictures, charts and video20Claude Opus 4.72 of 2 tests
- MathCompetition and research-level math10Claude Opus 4.71 of 1 test
- Long documentsFinding answers in very long texts10Claude Opus 4.71 of 1 test
- ReasoningHard problems that need careful thinking12Muse Spark 1.12 of 4 tests · 1 tie
- FactsGetting facts right instead of making them up12Muse Spark 1.12 of 3 tests
- Following instructionsDoing exactly what it is asked01Muse Spark 1.11 of 1 test
- AgentsCarrying out multi-step tasks on its own22Even2 each
Math, 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.
Muse Spark 1.1 costs 82% less for the same work.
The biggest differences
The three tests each model wins by the widest margin. Scores are out of 100.
Where Claude Opus 4.7 pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+7.7points ahead
- Real work tasks from 44 professionsGDPVal+7.1points ahead
- Fresh competition math problemsLiveBench · Mathematics+5.8points ahead
Where Muse Spark 1.1 pulls ahead
- Multi-step tasks using many real software toolsMCP Atlas+10.8points ahead
- Fixes real GitHub issues, working as an agentLiveBench · Agentic Coding+7.8points ahead
- Short factual questions, answered correctlySimpleQA Verified+6.1points ahead
Every test, side by side
All 33 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Opus 4.7
- LiveBench · Agentic CodingMuse Spark 1.1 by 7.850.758.5+7.8
- Terminal-Bench 2.1Claude Opus 4.7 by 5.283.177.9+5.2
- LiveBench · CodingClaude Opus 4.7 by 4.982.177.2+4.9
- SciCodeMuse Spark 1.1 by 4.354.558.8+4.3
- SWE-bench ProClaude Opus 4.7 by 2.864.361.5+2.8
- LMArena · WebDevClaude Opus 4.7 by 16 rating points15581542+16 rating
AgentsEven
- MCP AtlasMuse Spark 1.1 by 10.877.388.1+10.8
- GDPValClaude Opus 4.7 by 7.142.835.7+7.1
- OSWorld-VerifiedMuse Spark 1.1 by 2.87880.8+2.8
- τ-Bench V3 · BankingClaude Opus 4.7 by 2.834.631.8+2.8
ReasoningMuse Spark 1.1
- Humanity's Last ExamMuse Spark 1.1 by 3.942.346.2+3.9
- CritPtMuse Spark 1.1 by 3.11215.1+3.1
- GPQA DiamondClaude Opus 4.7 by 1.691.489.8+1.6
- LiveBench · Reasoningtie87.287.7tie
FactsMuse Spark 1.1
- AA-Omniscience · Non-hallucinationClaude Opus 4.7 by 7.757.750+7.7
- SimpleQA VerifiedMuse Spark 1.1 by 6.151.757.8+6.1
- AA-Omniscience · AccuracyMuse Spark 1.1 by 3.248.952+3.2
Images and chartsClaude Opus 4.7
- CharXiv (RQ)Claude Opus 4.7 by 2.69188.4+2.6
- LMArena · VisionClaude Opus 4.7 by 19 rating points13131294+19 rating
Following instructionsMuse Spark 1.1
- LiveBench · Instruction FollowingMuse Spark 1.1 by 2.966.769.6+2.9
Other results11 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.
- BabyVisionMuse Spark 1.1 by 54.122.276.3+54.1
- ToolathlonMuse Spark 1.1 by 16.359.375.6+16.3
- CyberGymClaude Opus 4.7 by 14.173.159+14.1
- AA Agentic IndexClaude Opus 4.7 by 1239.527.5+12
- AA IntelligenceClaude Opus 4.7 by 740.733.7+7
- Finance Agent v2Muse Spark 1.1 by 5.751.557.2+5.7
- livebench_data_analysisClaude Opus 4.7 by 5.778.372.5+5.7
- livebench_languageClaude Opus 4.7 by 3.677.974.3+3.6
- CharXiv Reasoning (With tools)Claude Opus 4.7 by 2.69188.4+2.6
- Artificial Analysis Coding IndexClaude Opus 4.7 by 2.373.671.3+2.3
- AA-Omnisciencetie27.328.1tie
Questions people ask
Which is better, Claude Opus 4.7 or Muse Spark 1.1?
Claude Opus 4.7 wins four of the eight areas we test: coding, images and charts, math and long documents. Muse Spark 1.1 wins reasoning, facts and following instructions, and costs 82% less. They are level on agents.
Which is better for coding?
Claude Opus 4.7. It wins 4 of the 6 coding tests both models report; Muse Spark 1.1 wins 2.
Which is cheaper?
Claude Opus 4.7 costs $5.00 per million input tokens and $25.00 per million output tokens; Muse Spark 1.1 costs $1.25 and $4.25. That makes Muse Spark 1.1 about 82% cheaper for the same work.
How do you compare the two?
We use the 33 benchmark tests both models have published scores on. The verdict counts the 22 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 11 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.