← ModelRumors.ai buyer's guide
HEAD TO HEAD · UPDATED NOV 6, 2026
Muse Wonder vs Gemini 3.8 Flash
Meta against Google DeepMind, on sourced numbers only. Green marks the higher (or cheaper) value on each row; the text below only calls a lead when the gap is bigger than measurement noise.
| Muse Wonder | Gemini 3.8 Flash | |
|---|---|---|
| Arena Elo | 1507 source ↗ | 1496 source ↗ |
| GPQA Diamond | not published | 95.4% source ↗ |
| $ per 1M in / out | $4 / $20 source ↗ | $0.75 / $3.75 source ↗ |
| Blended $ per 1M (3:1) | $8.00 source ↗ | $1.50 source ↗ |
| Context window | not published | 1M source ↗ |
| Output speed | not published | 117 tok/s source ↗ |
| Released | Oct 12, 2026 source ↗ | Sep 2, 2026 source ↗ |
| Open weights | No source ↗ | No source ↗ |
| Reasoning effort tiers | minimal · low · medium · high · xhigh · max (default: not stated) | low · medium · high (default: medium) |
| API effort control | reasoning_effort="minimal" | "low" | "medium" | "high" | "xhigh" | "max" (Chat Completions) source ↗ | thinking_config={"thinking_level": "low" | "medium" | "high"} source ↗ |
| Additional benchmarks | Arena Text: 1507 (#4, Max effort) source ↗ | DeepSWE v1.1: 73.7% source ↗ |
| Best for (workload) | Meta's highest-ranked model on Arena Text (1507, #4 at Max effort). The API is in preview. source ↗ | 95.4% on GPQA Diamond (Epoch AI) and 117 tok/s output (Artificial Analysis) at a Flash-tier price. source ↗ |
Arena Elo from the arena.ai text leaderboard as of Oct 27, 2026 source ↗. Speed measured by Artificial Analysis and varies by provider.
Which one should I use?
For high-volume work where cost matters most, Gemini 3.8 Flash is about 5.3 times cheaper per token. On release timing, Meta is at day 22 of a typical ~14-day gap (PAST TYPICAL GAP), and Google DeepMind is at day 24 of a typical ~32-day gap (MID-CYCLE).
Key differences from the sourced numbers
- Gemini 3.8 Flash is the cheaper option: $1.50 vs $8.00 per 1M tokens at a 3:1 input-to-output mix (about 5.3 times less).
- On the Arena text leaderboard they are close (1507 vs 1496): a gap under 20 points is within the leaderboard's margin of error.
- Muse Wonder pricing note: Meta Model API, in preview.
- Gemini 3.8 Flash pricing note: Until Dec 31, 2026; $1.50 / $7.50 from Jan 1, 2027. No higher rate for long prompts.
Frequently asked questions
Is Muse Wonder or Gemini 3.8 Flash better?
Gemini 3.8 Flash is the cheaper option: $1.50 vs $8.00 per 1M tokens at a 3:1 input-to-output mix (about 5.3 times less). On the Arena text leaderboard they are close (1507 vs 1496): a gap under 20 points is within the leaderboard's margin of error. Muse Wonder pricing note: Meta Model API, in preview. Gemini 3.8 Flash pricing note: Until Dec 31, 2026; $1.50 / $7.50 from Jan 1, 2027. No higher rate for long prompts.
Which one should I use: Muse Wonder or Gemini 3.8 Flash?
For high-volume work where cost matters most, Gemini 3.8 Flash is about 5.3 times cheaper per token. On release timing, Meta is at day 22 of a typical ~14-day gap (PAST TYPICAL GAP), and Google DeepMind is at day 24 of a typical ~32-day gap (MID-CYCLE).
How much does Muse Wonder cost compared with Gemini 3.8 Flash?
Muse Wonder lists at $4 / $20 per 1M input/output tokens ($8.00/1M blended at 3:1). Gemini 3.8 Flash lists at $0.75 / $3.75 per 1M input/output tokens ($1.50/1M blended at 3:1).
Facts checked Nov 5, 2026 against official sources. Every number links to its source. Spotted an error? Email [email protected].