Claude Opus 4.8 vs Muse Wonder 1.0

Anthropic · US  |  Meta · US · Updated June 2026

Quick verdict

Pick Claude Opus 4.8 for agentic coding and multi-file debugging or long autonomous tasks. Pick Muse Wonder 1.0 for meta superintelligence labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused muse spark family or artificial analysis intelligence index score of 52 (a gated 'wonder full' subscription variant scores 56, tied with claude sonnet 5.5, behind only opus 5.5 at 58). On a tight budget at scale, Muse Wonder 1.0 is the value pick.

Claude Opus 4.8 (Anthropic) and Muse Wonder 1.0 (Meta) are two of the models people most often weigh against each other in 2026. Claude Opus 4.8 is the agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Muse Wonder 1.0 is meta Superintelligence Labs' October 12, 2026 debut frontier model — distinct from Muse Spark, scoring 52 on the independent Artificial Analysis Index with a 1M-token, four-modality context window. They diverge most on price and context window — each quantified below from the models' real specs.

Key differences at a glance

Side-by-side specs

SpecClaude Opus 4.8Muse Wonder 1.0
ProviderAnthropic (US) Meta (US)
ReleasedMay 28, 2026 October 12, 2026
Context window1M (~1,500 pages) 1M tokens (~1,573 pages)
Price (in/out)$5/$25 per 1M tokens $4/$20 per 1M tokens
Open weight?No — API only No — API only
Modalitiestext, image, code text, image, video, audio
SWE-Bench Verified88.6% Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Agentic coding and multi-file debugging

Claude Opus 4.8

Claude Opus 4.8 lists agentic coding and multi-file debugging among its strengths; Muse Wonder 1.0 does not.

Long autonomous tasks

Claude Opus 4.8

Claude Opus 4.8 lists long autonomous tasks among its strengths; Muse Wonder 1.0 does not.

Honest uncertainty flagging

Claude Opus 4.8

Claude Opus 4.8 lists honest uncertainty flagging among its strengths; Muse Wonder 1.0 does not.

Meta Superintelligence Labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused Muse Spark family

Muse Wonder 1.0

Claude Opus 4.8 is comparatively weak here — highest per-token price of the frontier tier

Artificial Analysis Intelligence Index score of 52 (a gated 'Wonder Full' subscription variant scores 56, tied with Claude Sonnet 5.5, behind only Opus 5.5 at 58)

Muse Wonder 1.0

Meta Superintelligence Labs' October 12, 2026 debut frontier model — distinct from Muse Spark, scoring 52 on the independent Artificial Analysis Index with a 1M-token, four-modality context window — and it runs cheaper at $4/$20 per 1M tokens.

78.8% on DeepSWE v1.1 long-horizon coding, ahead of both Claude Opus 5.5 (74.2%) and GPT-6 Astra (74.1%)

Muse Wonder 1.0

Meta Superintelligence Labs' October 12, 2026 debut frontier model — distinct from Muse Spark, scoring 52 on the independent Artificial Analysis Index with a 1M-token, four-modality context window — and it is the newer of the two.

Lowest cost at scale

Muse Wonder 1.0

At $4/$20 per 1M tokens, it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Which should you pick?

A cost-sensitive startup shipping high volume

→ Muse Wonder 1.0

At $4/$20 per 1M tokens it undercuts Claude Opus 4.8, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

→ Muse Wonder 1.0

Larger 1M tokens window fits more in one prompt.

Anyone whose priority is agentic coding and multi-file debugging

→ Claude Opus 4.8

It is specifically built for that.

Anyone whose priority is meta superintelligence labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused muse spark family

→ Muse Wonder 1.0

That is its strongest area.

Claude Opus 4.8: where it fits

The agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Released May 28, 2026 by Anthropic, it is built for agentic coding and multi-file debugging, long autonomous tasks, honest uncertainty flagging, and professional writing and reasoning.

Its trade-offs are real: highest per-token price of the frontier tier, and not the cheapest for high-volume work. At $5 in / $25 out per million tokens, it sits in the premium price band.

Muse Wonder 1.0: where it fits

Meta Superintelligence Labs' October 12, 2026 debut frontier model — distinct from Muse Spark, scoring 52 on the independent Artificial Analysis Index with a 1M-token, four-modality context window. Released October 12, 2026 by Meta, it is built for meta Superintelligence Labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused Muse Spark family, artificial Analysis Intelligence Index score of 52 (a gated 'Wonder Full' subscription variant scores 56, tied with Claude Sonnet 5.5, behind only Opus 5.5 at 58), 78.8% on DeepSWE v1.1 long-horizon coding, ahead of both Claude Opus 5.5 (74.2%) and GPT-6 Astra (74.1%), and accepts text, image, video, audio, and PDF input against a 1,048,576-token context window.

Its trade-offs: the stronger 'Wonder Full' variant is gated behind $50/$200-per-month Muse Code subscriptions, with no public API or independently verifiable pricing, meta's full safety report had not been published as of launch, first release in a brand-new model family — no track record yet next to Meta's more established Muse Spark line, and benchmark comparisons against Opus 5.5 and GPT-6 Astra are Meta's own self-reported figures. At $4 in / $20 out per million tokens, it sits in the mid price band.

The bottom line for this matchup

Claude Opus 4.8 and Muse Wonder 1.0 overlap enough that the right pick depends on your specific job. Muse Wonder 1.0 costs less per token; Muse Wonder 1.0 holds the larger context; and each leads in its own area — Claude Opus 4.8 for agentic coding and multi-file debugging, Muse Wonder 1.0 for meta superintelligence labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused muse spark family. Rather than crowning one, run the same hard task through both once and let the results decide.

Want both Claude Opus 4.8 and Muse Wonder 1.0 without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.

See pricing

Frequently asked questions

Is Claude Opus 4.8 or Muse Wonder 1.0 better for coding?

Public SWE-Bench figures are not available for Muse Wonder 1.0, so the honest test is your own repository — run an identical real bug through both. By design, Claude Opus 4.8 leans toward agentic coding and multi-file debugging while Muse Wonder 1.0 leans toward meta superintelligence labs' first frontier-class reasoning model — a new line distinct from the agentic-coding-focused muse spark family, and that positioning usually predicts which feels better on your codebase.

Which is cheaper, Claude Opus 4.8 or Muse Wonder 1.0?

Muse Wonder 1.0 is cheaper — $5/$25 per 1M tokens vs $4/$20 per 1M tokens, roughly 1.3× apart on input.

Which has the bigger context window?

Effectively neither — 1M vs 1M tokens is a difference of a few percent. Remember advertised ≠ usable: recall typically degrades before the ceiling.

Can I use both Claude Opus 4.8 and Muse Wonder 1.0 together?

Yes — a multi-model platform like LumiChats gives you Claude Opus 4.8, Muse Wonder 1.0 and 40+ others under one ₹69/day pass (about $1/day), so you can draft with one and cross-check with the other instead of buying two subscriptions.

Which is newer, Claude Opus 4.8 or Muse Wonder 1.0?

Muse Wonder 1.0 — released October 12, 2026, about 5 months after Claude Opus 4.8.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.