Muse Wonder 1.0 vs Claude Opus 5.5
Official Meta and Anthropic API prices and LMArena scores, checked 2026-11-06. Add up to 2 more models to compare 4.
Same bill; Claude Opus 5.5 wins more LMArena tasks.
Muse Wonder 1.0 and Claude Opus 5.5 have the same list price per token ($4 in, $20 out per 1M). Claude Opus 5.5 scores 61 points higher for agent tasks; Muse Wonder 1.0 scores 27 points higher for roleplay. Across 6 shared LMArena tasks, Claude Opus 5.5 leads 5 to 1. A medium month (20M input + 5M output tokens) costs $180 on Muse Wonder 1.0 and $180 on Claude Opus 5.5.
- Pick Muse Wonder 1.0 if you care most about roleplay (+27).
- Pick Claude Opus 5.5 if you care most about agent tasks (+61), coding (+58) and creative writing (+44).
Medium: 20M input + 5M output tokens a month at list price (short-context rate, no caching or batch discounts).
Marked side is better: lower for prices, higher for context and scores. Bars are scaled to the larger of the two.
| Spec | Muse Wonder 1.0 | Claude Opus 5.5 |
|---|---|---|
| Price per 1M tokens | ||
| Input | $4 | $4 |
| Cached input | $0.20 | $0.20 |
| Output | $20 | $20 |
| Blend 3:1 | $8 | $8 |
| Sample month, medium | $180 | $180 |
| Context | ||
| Context window | 1M tokens | 1M tokens |
| Quality (LMArena, out of 100) | ||
| Coding | 42/100 #15 of 50 | 100/100 #1 of 50 |
| Chat | 75/100 #3 of 51 | 78/100 #2 of 51 |
| Creative writing | 56/100 #4 of 51 | 100/100 #1 of 51 |
| Roleplay and characters | 64/100 #2 of 51 | 37/100 #5 of 51 |
| Reasoning and math | 25/100 #17 of 51 | 64/100 #5 of 51 |
| Vision | Not ranked | 84/100 #3 of 33 |
| Long documents | Not ranked | Not ranked |
| Cheap bulk and agents | 39/100 #16 of 37 | 100/100 #1 of 37 |
| Details | ||
| Provider | Meta | Anthropic |
| API model id | muse-wonder-1.0 | claude-opus-5.5 |
| Notes | No long-context premium. | 5-minute cache writes $5. |
| Sources | ||
| Last checked | 2026-11-06 | 2026-11-06 |
| Official pricing | Meta pricing | Anthropic pricing |
Plans from data checked hourly against each vendor's official pricing page. Vendors state limits in different units, so we quote them as published. Team and enterprise plans are per seat.
API prices in USD per 1M tokens from each provider's official pricing page. Blend 3:1 = (3 x input + output) / 4. Sample month = stated input and output tokens at the list price, no caching. Quality: relative score out of 100 on each LMArena leaderboard (100 = top model we price on that board, n/a = not ranked there), data licensed CC BY 4.0. See how we pick.
Where each one ranks on LMArena
Relative score out of 100 on each leaderboard (100 = the top model we price there), with the rank among the models from our API price table that appear on that board.
- Coding (Code Arena): Muse Wonder 1.0 #15 of 50 (42/100), Claude Opus 5.5 #1 of 50 (100/100)
- Chat (Text Arena): Muse Wonder 1.0 #3 of 51 (75/100), Claude Opus 5.5 #2 of 51 (78/100)
- Creative writing (Text Arena creative writing): Muse Wonder 1.0 #4 of 51 (56/100), Claude Opus 5.5 #1 of 51 (100/100)
- Roleplay and characters (Text Arena multi-turn): Muse Wonder 1.0 #2 of 51 (64/100), Claude Opus 5.5 #5 of 51 (37/100)
- Reasoning and math (Text Arena math): Muse Wonder 1.0 #17 of 51 (25/100), Claude Opus 5.5 #5 of 51 (64/100)
- Vision (Vision Arena): Muse Wonder 1.0 not ranked, Claude Opus 5.5 #3 of 33 (84/100)
- Long documents (Document Arena): Muse Wonder 1.0 not ranked, Claude Opus 5.5 not ranked
- Cheap bulk and agents (Agent Arena): Muse Wonder 1.0 #16 of 37 (39/100), Claude Opus 5.5 #1 of 37 (100/100)
Pricing details from the official pages
Muse Wonder 1.0 lists $4 input, $20 output, $0.20 cached input per 1M tokens on Meta pricing. Claude Opus 5.5 lists $4 input, $20 output, $0.20 cached input per 1M tokens on Anthropic pricing. Prices checked 2026-11-06.
- Muse Wonder 1.0: No long-context premium.
- Claude Opus 5.5: 5-minute cache writes $5.
Sample monthly bill at list price, no caching: Light (2M input + 0.5M output tokens): $18 vs $18. Medium (20M input + 5M output tokens): $180 vs $180. Heavy (200M input + 50M output tokens): $1,800 vs $1,800.
FAQ
Is Muse Wonder 1.0 cheaper than Claude Opus 5.5?
They have the same list price: $4 input and $20 output per 1M tokens.
Which is better for coding, Muse Wonder 1.0 or Claude Opus 5.5?
On LMArena's Code Arena Muse Wonder 1.0 scores 42/100 (#15 of 50) and Claude Opus 5.5 100/100 (#1 of 50), so Claude Opus 5.5 is ahead by 58 points.
Which has the bigger context window?
Muse Wonder 1.0: 1M tokens. Claude Opus 5.5: 1M tokens. Both list the same window.
How much do Muse Wonder 1.0 and Claude Opus 5.5 cost per month?
Light (2M input + 0.5M output tokens): $18 vs $18. Medium (20M input + 5M output tokens): $180 vs $180. Heavy (200M input + 50M output tokens): $1,800 vs $1,800. Pick your own token counts in the plan vs API calculator.
Where do these numbers come from?
Prices come from each provider's official pricing page, checked daily. Quality is the relative score on the LMArena leaderboard dataset, licensed CC BY 4.0. Where a model is not ranked we show n/a.
Sources
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