DeepSeek V4.1 Flash vs Muse Wonder.
Verdict by category, tale of the tape, shared benchmarks only, and cost at three workloads — all from the tracked data.
Verdict by category
| Category | DeepSeek V4.1 Flash | Muse Wonder | Winner |
|---|---|---|---|
| League Score | 75.4 | 76.4 | Muse Wonder |
| Coding (SWE-bench %) | — | — | — |
| Reasoning (GPQA %) | 90.9 | — | — |
| Context (tokens) | 1000000 | 1048576 | Muse Wonder |
| Speed (tok/s) | 213 | — | — |
| Price (blended $/1M) | $0.52 | $8.00 | DeepSeek V4.1 Flash (cheaper) |
Tale of the tape
| Spec | DeepSeek V4.1 Flash | Muse Wonder |
|---|---|---|
| Maker | DeepSeek | Meta |
| Released | Sep 10, 2026 | Oct 12, 2026 |
| League Score | 75 | 76 |
| Context | 1,000,000 tokens | 1,048,576 tokens |
| Max output | 384,000 | — |
| $/1M input | $0.30 | $4.00 |
| $/1M output | $1.20 | $20.00 |
| Weights | Open | Closed |
| Speed | 213 t/s | — |
Head-to-head benchmarks (shared only)
| Benchmark | DeepSeek V4.1 Flash | Muse Wonder |
|---|---|---|
| LiveBench overall | 77.3 | 78.1 |
Cost at three workloads
| Workload | DeepSeek V4.1 Flash | Muse Wonder |
|---|---|---|
| Light — 1M in / 250K out | $0.60 | $9.00 |
| Standard — 10M in / 2.5M out | $6.00 | $90.00 |
| Long-context — 50M in / 5M out | $21.00 | $300.00 |
The pick
Pick DeepSeek V4.1 Flash if you want the lower running cost; you want downloadable weights / self-hosting.
Pick Muse Wonder if you want the higher overall League Score; you need the bigger context window.
All figures from the model database — sources and dates on each model page. Cost your own workload or compare a different pair.
Frequently asked questions
Which is better overall, DeepSeek V4.1 Flash or Muse Wonder?
Muse Wonder leads on overall League Score, 76 to 75 — a gap of 1 points on a composite of sourced benchmarks. That is overall form, not every category: check the per-category verdicts before choosing.
Which is cheaper, DeepSeek V4.1 Flash or Muse Wonder?
DeepSeek V4.1 Flash is cheaper: $0.52 vs $8.00 blended per 1M tokens (3:1 input/output mix) — about 15.2x less per token.
Which has the bigger context window, DeepSeek V4.1 Flash or Muse Wonder?
Muse Wonder, with 1M of context against 1M for DeepSeek V4.1 Flash.
Are DeepSeek V4.1 Flash and Muse Wonder open source?
DeepSeek V4.1 Flash is open weights — it can be downloaded and self-hosted; Muse Wonder is closed weights — API access only.