MiMo-V2.5 vs Muse Spark 1.3
Full profiles: MiMo-V2.5 (Xiaomi) and Muse Spark 1.3 (Meta): every benchmark, price and rank.
Updated · Data from 6 sources
As of 6 Nov 2026, MiMo-V2.5 and Muse Spark 1.3 are neck and neck on quality (55.1 vs 61.9 on the BenchLeader Index, inside the ±11.0 margin), and MiMo-V2.5 is 11× cheaper at $0.175 vs $2.00 per 1M tokens blended. Muse Spark 1.3 leads in every category we measure both in. Muse Spark 1.3 streams ~2× faster.
Key facts (as of 6 Nov 2026)
- MiMo-V2.5 scores 55.1 on the BenchLeader Index and Muse Spark 1.3 scores 61.9 (BenchLeader, 6 Nov 2026).
- MiMo-V2.5 costs $0.175 per 1M tokens blended (list price, 6 Nov 2026).
- Muse Spark 1.3 costs $2.00 per 1M tokens blended (list price, 6 Nov 2026).
- Muse Spark 1.3 streams ~2× faster than MiMo-V2.5 (Artificial Analysis, 7-day median, 6 Nov 2026).
- Of the 11 benchmarks both models have, Muse Spark 1.3 leads 11 (BenchLeader, 6 Nov 2026).
MiMo-V2.5 benchmarks 
Muse Spark 1.3 benchmarks Which to pick for…
The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.
| Use case | Pick | Why | Confidence |
|---|---|---|---|
| Agents & tool use | Muse Spark 1.3 | 65 vs 47 category score; τ³-Banking (AA) 50.5% vs 8.7% | High |
| Long documents | Muse Spark 1.3 | 66 vs 61 category score; AA-LCR v1.1 83.0% vs 73.0% | Medium |
| Images and other media | Muse Spark 1.3 | 66 vs 58 category score | High |
| Chat quality (human preference) | – | Only Muse Spark 1.3 has an Arena rating (69 category score) | Not comparable |
| Lowest cost | MiMo-V2.5 | $0.165 vs $2.00 per 1M blended; agentic coding session $0.009 vs $0.092 | – |
| Fastest first answer | MiMo-V2.5 | 36.2 s (MiMo-V2.5) vs 57.6 s (Muse Spark 1.3 (max)) to the first answer token | – |
| High volume on a budget | Neither flagship | A smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs | – |
Key differences
- MiMo-V2.5 and Muse Spark 1.3 (max) are neck and neck on quality (55.1 vs 61.9, within the ±11.0 margin).
- MiMo-V2.5 is stronger in instruction following.
- Muse Spark 1.3 (max) is stronger in agents & tools, long context, multimodal, coding, human preference, knowledge, maths, reasoning.
- MiMo-V2.5 is 12× cheaper ($0.165 vs $2.00 per 1M blended).
- Muse Spark 1.3 (max) streams 2.6× faster (150 vs 58 tokens per second).
At a glance
| Spec | MiMo-V2.5 | Muse Spark 1.3 |
|---|---|---|
| Developer | Xiaomi | Meta |
| Released | 22 Apr 2026 | 2 Sep 2026 |
| Context window (tokens) | 1,000,000 | 1,048,576 |
| Compared at | MiMo-V2.5 | Muse Spark 1.3 (max) |
| Open weights | Yes | No |
| Price in / out / cached input per 1M | $0.130 / $0.270 / – | $1.25 / $4.25 / $0.150 |
Category by category
Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.
| Category | MiMo-V2.5 | Muse Spark 1.3 (max) | Leader |
|---|---|---|---|
| Reasoning | – | 60.8 | not comparable |
| Coding | – | 61.1 | not comparable |
| Agents & tools | 47.4 | 65.4 | Muse Spark 1.3 |
| Maths | – | 63.1 | not comparable |
| Knowledge | – | 58.6 | not comparable |
| Instruction following | 66.3 | – | not comparable |
| Human preference | – | 68.8 | not comparable |
| Multimodal | 57.8 | 65.7 | Muse Spark 1.3 |
| Long context | 61.2 | 66.4 | Muse Spark 1.3 |
On one chart
Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.
Not drawn, measured for fewer than two of these models: Reasoning, Coding, Maths, Knowledge, Instruction following, Human preference.
Where sources disagree
Across the 11 benchmarks both have, MiMo-V2.5 leads 0, Muse Spark 1.3 leads 11.
| Overall index | MiMo-V2.5 | Muse Spark 1.3 (max) | Leader |
|---|---|---|---|
| BenchLeader Index | 55.1 | 61.9 | neck and neck |
Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).
Price, speed and latency
List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.
| Measure | MiMo-V2.5 | Muse Spark 1.3 (max) |
|---|---|---|
| Blended price per 1M tokens | $0.165 | $2.00 |
| Input / output per 1M | $0.130 / $0.270 | $1.25 / $4.25 |
| Cached input per 1M | – | $0.150 |
| Price per task: chat reply | $0.0001 | $0.0018 |
| Price per task: summarize a 30-page report | $0.0017 | $0.018 |
| Price per task: code edit | $0.0012 | $0.014 |
| Price per task: agentic coding session | $0.0089 | $0.092 |
| Price per task: structured extraction | $0.0003 | $0.0034 |
| Agentic coding session, input mostly cached | – | $0.043 |
| Cost per benchmark task (AA Index) | – | $2.39 |
| Output tokens per task (AA Index) | – | 91k |
| Of which reasoning | – | 55k |
| Time per task (AA Index) | – | 13 min |
| Output speed | 58 tok/s | 150 tok/s |
| Time to first answer | 36.2 s | 57.6 s |
| Time to a complete answer | 44.8 s | 60.9 s |
Each model is compared at its best-ranked reasoning-effort setting. MiMo-V2.5 scores 55.1 and takes 36 s to its first answer token. Muse Spark 1.3 (max) scores 61.9 and takes 58 s to its first answer token; Muse Spark 1.3 (xhigh) scores 58.5 in 26 s, Muse Spark 1.3 scores 57.7 in 4 s. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.
Every benchmark
103 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.
| Metric | Publisher | MiMo-V2.5 | Muse Spark 1.3 (max) |
|---|---|---|---|
| BenchLeader Index | BenchLeader | 55.1 | 61.9 |
| Agents & tools score | BenchLeader | 47.4 | 65.4 |
| Instruction following score | BenchLeader | 66.3 | – |
| Long context score | BenchLeader | 61.2 | 66.4 |
| Multimodal score | BenchLeader | 57.8 | 65.7 |
| Coding score | BenchLeader | – | 61.1 |
| Human preference score | BenchLeader | – | 68.8 |
| Knowledge score | BenchLeader | – | 58.6 |
| Maths score | BenchLeader | – | 63.1 |
| Reasoning score | BenchLeader | – | 60.8 |
| Blended price $/M | BenchLeader | $0.165 | $2.00 |
| Output speed | BenchLeader | 58 tok/s | 150 tok/s |
| Time to first answer | BenchLeader | 36.2 s | 57.6 s |
| Context window | BenchLeader | 1,000,000 tokens | 1,048,576 tokens |
| Reasoning | |||
| Arena Hard Prompts | Arena (LMArena) | – | 1516 |
| LiveBench 2.0 Reasoning | LiveBench | – | 89.7%† |
| LiveBench 1.0 Reasoning | LiveBench | – | 89.7%† |
| GPQA Diamond (AA) | Artificial Analysis | 85.0% | 93.5% |
| Humanity's Last Exam (AA) | Artificial Analysis | 27.2% | 48.7% |
| HLE-Diamond (AA) | Artificial Analysis | – | 33.7% |
| CritPt | Artificial Analysis | 3.7% | 24.9% |
| CritPt v2 hard subset (AA) | Artificial Analysis | – | 48.0% |
| MysteryMechanism | Vals AI | – | 36.0% |
| Chess Puzzles | Epoch AI Benchmarking Hub | – | 37.0% |
| Mystery Game Puzzles | Epoch AI Benchmarking Hub | – | 25.0% |
| LMCA | Epoch AI Benchmarking Hub | – | 53.9%† |
| DTBench | Epoch AI Benchmarking Hub | – | 96.5%† |
| BTF-3 | Epoch AI Benchmarking Hub | – | 14.1%† |
| Coding | |||
| SciCode | SciCode | – | 58.8% |
| Arena Coding | Arena (LMArena) | – | 1534 |
| Arena WebDev | Arena (LMArena) | – | 1656 |
| LiveBench 2.0 Coding | LiveBench | – | 90.2%† |
| LiveBench 1.0 Coding | LiveBench | – | 81.1%† |
| SciCode (AA) | Artificial Analysis | 43.9% | 58.8% |
| IOI | Vals AI | – | 56.6% |
| Code Migration | Vals AI | – | 47.4% |
| ProgramBench | Vals AI | – | 2.5% |
| SWE-bench Multimodal | Vals AI | – | 43.1% |
| Vibe Code Bench 1-100 | Vals AI | – | 20.5% |
Show all 103 benchmarks
| Metric | Publisher | MiMo-V2.5 | Muse Spark 1.3 (max) |
|---|---|---|---|
| Coding | |||
| Vibe Code Bench v1.1 | Vals AI | – | 85.9% |
| CursorBench | Cursor | – | 41.6% |
| ALE-Bench | Epoch AI Benchmarking Hub | – | 1688.3† |
| FrontierSWE | Epoch AI Benchmarking Hub | – | 25.8% |
| Terminal-Bench 4.0 (AA) | Artificial Analysis | 0.0% | 33.3% |
| Terminal-Bench 2.1 (AA) | Artificial Analysis | 63.7% | 84.3% |
| Startrise Frontend | Startrise | – | 74.7%† |
| GameBench 2 Overall | DuelLab GameBench 2 | – | 57.8† |
| GameBench 2 by reasoning setting | DuelLab GameBench 2 | 23.8† | 68.7† |
| FrontierCode 1.1 (AA) | Artificial Analysis | – | 40.6% |
| FrontierCode 2.0 (AA) | Artificial Analysis | – | 23.1% |
| Agents & tools | |||
| Terminal-Bench | Terminal-Bench | – | 14.6%† |
| APEX-Agents | Mercor | – | 47.6% |
| Arena Agent | Arena (LMArena) | – | 2.5 |
| LiveBench Long Agentic | LiveBench | – | 25.5%† |
| LiveBench Browser | LiveBench | – | 30.9%† |
| LiveBench Agentic Coding | LiveBench | – | 64.1%† |
| Terminal-Bench Hard | Artificial Analysis | 41.7% | – |
| τ²-Bench Telecom (AA) | Artificial Analysis | 90.6% | – |
| Terminal-Bench 2.1 (Vals) | Vals AI | – | 79.0% |
| HiL-Bench | Scale AI SEAL | – | 66.9%† |
| τ³-Banking (AA) | Artificial Analysis | 8.7% | 50.5% |
| ITBench SRE (AA) | Artificial Analysis | – | 33.2% |
| Analyst Agent (AA) | Artificial Analysis | – | 37.5% |
| CUA-bench | Vals AI | – | 5.8% |
| CyberBench | Vals AI | – | 72.7% |
| Finance Agent v2 | Vals AI | – | 60.0% |
| Harvey's Legal Agent Benchmark v1 | Vals AI | – | 23.8% |
| Legal Research Bench | Vals AI | – | 55.3% |
| SREBench | Vals AI | – | 3.8% |
| Tax Agent Bench | Vals AI | – | 42.4% |
| Terminal-Bench 4.0 (Vals) | Vals AI | – | 24.8% |
| Terminal-Bench Science | Vals AI | – | 10.0% |
| AutomationBench | Artificial Analysis | 18.4% | 57.9% |
| GDP.pdf (AA) | Artificial Analysis | 4.0% | 26.6% |
| Harvey LAB-AA v1.1 | Harvey | – | 8.9% |
| AA-Briefcase v1.1 | Artificial Analysis | – | 1581 |
| Terminal-Bench-Science 0.1 (AA) | Artificial Analysis | – | 10.9% |
| Maths | |||
| FrontierMath Tiers 1–3 | Epoch AI Benchmarking Hub | – | 74.0% |
| FrontierMath Tier 4 | Epoch AI Benchmarking Hub | – | 46.3% |
| OTIS Mock AIME | Epoch AI Benchmarking Hub | – | 99.2%† |
| ProofBench | Vals AI | – | 58.0% |
| LiveBench Mathematics | LiveBench | – | 96.0%† |
| Arena Maths | Arena (LMArena) | – | 1508 |
| Knowledge | |||
| LiveBench 2.0 Data Analysis | LiveBench | – | 79.6%† |
| LiveBench Research | LiveBench | – | 68.6%† |
| LiveBench 1.0 Data Analysis | LiveBench | – | 79.6%† |
| AA-Omniscience v1.1 | Artificial Analysis | – | 22.4 |
| PRBench Finance | Scale AI SEAL | – | 59.5%† |
| PRBench Legal | Scale AI SEAL | – | 61.6%† |
| Excel Modeling Benchmark | Vals AI | – | 67.4% |
| DrugDiscoveryBench | Scale AI SEAL | – | 62.2%† |
| GDP.pdf | Epoch AI Benchmarking Hub | – | 27.6%† |
| AA-Omniscience v1.1: accuracy | Artificial Analysis | – | 38.0% |
| AA-Omniscience v1.1: non-hallucination | Artificial Analysis | – | 74.8% |
| Instruction following | |||
| LiveBench Language | LiveBench | – | 82.8%† |
| LiveBench Instruction Following | LiveBench | – | 78.0%† |
| IFBench | Artificial Analysis | 67.1% | – |
| Arena Instruction Following | Arena (LMArena) | – | 1483 |
| Human preference | |||
| Arena Text | Arena (LMArena) | – | 1495 |
| Arena Creative Writing | Arena (LMArena) | – | 1464 |
| Arena Multi-turn | Arena (LMArena) | – | 1493 |
| Arena Longer Queries | Arena (LMArena) | – | 1496 |
| Multimodal | |||
| Arena Vision | Arena (LMArena) | – | 1308 |
| LiveBench Design | LiveBench | – | 74.8%† |
| MMMU-Pro | Artificial Analysis | 75.4% | 82.0%† |
| Code2Video-AA | Artificial Analysis | – | 1019 |
| AA-3D | Artificial Analysis | – | 1033 |
| Long context | |||
| AA-LCR v1.1 | Artificial Analysis | 73.0% | 83.0% |
| Arena Document | Arena (LMArena) | – | 1468 |
| MLCR | Artificial Analysis | – | 13.9% |
| Composite | |||
| Epoch Capabilities Index | Epoch AI Benchmarking Hub | – | 158.0† |
| LiveBench 2.0 | LiveBench | – | 63.0%† |
| LiveBench 1.0 | LiveBench | – | 81.6%† |
| AA Intelligence Index v5.0 | Artificial Analysis | – | 36.6 |
| AA Intelligence Index v4.3.2 | Artificial Analysis | 21.8 | 48.1 |
| AA Progress Index v1 | Artificial Analysis | 276 | 324.5 |
| Vals RSI Index | Vals AI | – | 19.6% |
Data as of 2026-11-06. Best configuration of each model; every score links to its source on the model pages.
DuelLab GameBench 2, release gb2-20261103-09b2218cbd85 (https://benchmarks.duellab.org/releases/gb2-20261103-09b2218cbd85/), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Scores mapped to BenchLeader model names; not endorsed by DuelLab.
What changed
- Muse Spark 1.3 (max): 1 score revision.
- Muse Spark 1.3 (max): 1 score revision.
- MiMo-V2.5: BenchLeader Index 55.7 → 55.2.
- Muse Spark 1.3 (max): BenchLeader Index 64.5 → 61.8.
- MiMo-V2.5: 1 new result (AA Progress Index v1).
- Muse Spark 1.3 (max): 5 new results (AA Intelligence Index v5.0, AA Progress Index v1, HLE-Diamond (AA)…); 3 score revisions; cost per task moved from $1.31/M to $2.39/M (81% up).
- Muse Spark 1.3 (max): cost per task moved from $3.69/M to $1.31/M (64% down).
- MiMo-V2.5: MiMo-V2.5 cost per task moved from $0.038/M to $0.042/M (10% up).
- Muse Spark 1.3 (max): cost per task moved from $1.60/M to $3.69/M (130% up).
- MiMo-V2.5: MiMo-V2.5 input price moved from $0.14/M to $0.13/M (7% down); MiMo-V2.5 cost per task moved from $0.019/M to $0.038/M (99% up).
Related comparisons
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- Muse Spark 1.3 vs GPT-6.1 Sol
- Muse Spark 1.3 vs Claude Fable 5.1
- Muse Spark 1.3 vs Claude Fable 5
- Muse Spark 1.3 vs Gemini 4 Argon
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Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs
MiMo-V2.5 vs Muse Spark 1.3: questions
- Is MiMo-V2.5 better than Muse Spark 1.3?
- MiMo-V2.5 and Muse Spark 1.3 (max) are neck and neck on quality (55.1 vs 61.9, within the ±11.0 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 6 Nov 2026, so check the category scores for your use.
- MiMo-V2.5 vs Muse Spark 1.3: which is cheaper, and will that change?
- MiMo-V2.5 is cheaper today: $0.175 against $2.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
- Which is faster, MiMo-V2.5 or Muse Spark 1.3?
- Muse Spark 1.3 streams ~2× faster (150 vs 58 output tokens per second, Artificial Analysis 7-day median).
- Is MiMo-V2.5 or Muse Spark 1.3 better for agents and tool use?
- Muse Spark 1.3 scores higher in agentic tasks (65 vs 47 on the category index, where 50 is average). On τ³-Banking (AA), the top shared agents & tools benchmark, it is 8.7% for MiMo-V2.5 against 50.5% for Muse Spark 1.3.
- Which is better for long documents?
- Muse Spark 1.3 scores higher on long-context benchmarks (66 vs 61). Both take about 1M tokens: MiMo-V2.5 1,000,000, Muse Spark 1.3 1,048,576.
More questions (3)
- Which has lower latency?
- MiMo-V2.5 answers first: 36.2 s against 57.6 s to the first answer token, as Artificial Analysis measures it. Reasoning effort drives most of this: a higher setting thinks longer before it answers.
- Do independent benchmarks agree on MiMo-V2.5 vs Muse Spark 1.3?
- Across the 11 benchmarks both have, MiMo-V2.5 leads 0, Muse Spark 1.3 leads 11.
- When was Muse Spark 1.3 released?
- Muse Spark 1.3 was released on 2 Sep 2026.