Claude Fable 5.2 vs MiMo-V2.6-Pro
Claude Fable 5.2 leads MiMo-V2.6-Pro on coding, 87.8 to 61.8 on the Vibe Coding Index, and MiMo-V2.6-Pro costs 46.0x less per output token ($0.87 vs $40.00 per million). Updated November 14, 2026; 39 benchmarks have a result for both.
Claude Fable 5.2 or MiMo-V2.6-Pro: which to pick
Pick Claude Fable 5.2 for coding: it scores 87.8 on the Vibe Coding Index against 61.8 for MiMo-V2.6-Pro.
Pick MiMo-V2.6-Pro for output tokens 46.0x cheaper ($0.87 vs $40.00 per million) and a larger context window (1.05M against 1M tokens).
- Shared results
- 39
- Claude Fable 5.2 only
- 29
- MiMo-V2.6-Pro only
- 43
- Like-for-like categories
- 8 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
Claude Fable 5.2
Claude Fable 5.2 scores 87.8 against 61.8.
4 benchmarks behind each score
Intelligence
AA Intelligence Index
Claude Fable 5.2
Claude Fable 5.2 leads, 64.6 against 29.9.
Same board, both measured
Web design
Design Arena: websites
Claude Fable 5.2
Claude Fable 5.2 leads, 1351 against 1311.
Same board, both measured
General
Vals Index
Claude Fable 5.2
Claude Fable 5.2 leads, 71.3% against 57.8%.
Same board, both measured
Long documents
Listed context window
MiMo-V2.6-Pro
MiMo-V2.6-Pro takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.6-Pro
Claude Fable 5.2 $0.028, MiMo-V2.6-Pro $0.0009 per turn.
List prices
At a glance
- Coding index
- Claude Fable 5.2 87.8 from 4 benchmarks, MiMo-V2.6-Pro 61.8 from 4 benchmarks.
- Widest category
- Reasoning, 35.6 points apart on average over 5 shared benchmarks.
- Widest single gap
- HLE-Diamond (Artificial Analysis run): Claude Fable 5.2 80.2% against MiMo-V2.6-Pro 15.2%, 65.0 points apart on a 0 to 100 scale.
- Output price
- Claude Fable 5.2 $40.00 against MiMo-V2.6-Pro $0.87 per million output tokens, 46.0x apart.
- Context window
- Claude Fable 5.2 takes 1M tokens, MiMo-V2.6-Pro 1.05M.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Claude Fable 5.2 | Bars | MiMo-V2.6-Pro | Ties |
|---|---|---|---|---|
| Coding | 13 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 5 | 3 | ||
| Reasoning | 5 | 0 | ||
| Math | 1 | 0 | ||
| Knowledge | 1 | 0 | ||
| Web design | 6 | 0 | ||
| General | 3 | 1 | ||
| All shared boards | 35 | 4 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index130
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| LiveBench coding | 79.2% | 64.5% | Claude Fable 5.2 |
| LMArena WebDev | 1838 | 1625 | Claude Fable 5.2 |
| Terminal-Bench 4 (Vals AI) | 65.2% | 31.3% | Claude Fable 5.2 |
| Vibe Code Bench (Vals AI) | 93.8% | 85.2% | Claude Fable 5.2 |
| Code migration (Vals AI) | Not measured | 43.0% | Only MiMo-V2.6-Pro measured |
| ProgramBench (Vals AI) | 19.0% | 0.5% | Claude Fable 5.2 |
| IOI (Vals AI) | Not measured | 39.3% | Only MiMo-V2.6-Pro measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 67.8% | Only MiMo-V2.6-Pro measured |
| SWE-bench Multimodal (Vals AI) | 62.3% | 41.3% | Claude Fable 5.2 |
| CyberBench (Vals AI) | Not measured | 72.9% | Only MiMo-V2.6-Pro measured |
| SciCode | 67.7% | 60.9% | Claude Fable 5.2 |
| Terminal-Bench 4.0 (Artificial Analysis run) | 61.6% | 34.8% | Claude Fable 5.2 |
| FrontierCode 2.0 | 49.1% | 24.0% | Claude Fable 5.2 |
| FrontierSWE | 69.9% | Not measured | Only Claude Fable 5.2 measured |
| ALE-Bench | 2509.8 | 1158.1 | Claude Fable 5.2 |
| LMArena Text: coding | Not measured | 1534 | Only MiMo-V2.6-Pro measured |
| LMArena Text: software and IT | Not measured | 1528 | Only MiMo-V2.6-Pro measured |
| LMArena WebDev: React | 1915 | 1637 | Claude Fable 5.2 |
| LMArena WebDev: HTML | 1738 | 1622 | Claude Fable 5.2 |
| LMArena WebDev: from an image | Not measured | 1597 | Only MiMo-V2.6-Pro measured |
| GameBench 2 | 99.1 | 70.9 | Claude Fable 5.2 |
| Terminal-Bench 4.0 | Not measured | 27.0% | Only MiMo-V2.6-Pro measured |
| CursorBench 4.0 | 60.0% | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 29 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| AA Intelligence Index | 64.6 | 29.9 | Claude Fable 5.2 |
| Epoch Capabilities Index | 173.4 | Not measured | Only Claude Fable 5.2 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index53
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| Design Arena: agents building web apps | Not measured | 1270 | Only MiMo-V2.6-Pro measured |
| Design Arena: agents building full-stack apps | 1402 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: agents building mobile apps | 1325 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: spreadsheets | 1434 | Not measured | Only Claude Fable 5.2 measured |
| LiveBench research | 94.5% | 84.8% | Claude Fable 5.2 |
| LiveBench browser | 86.9% | 77.3% | Claude Fable 5.2 |
| LiveBench long agentic | 82.9% | 36.4% | Claude Fable 5.2 |
| SREBench (Vals AI) | Not measured | 3.0% | Only MiMo-V2.6-Pro measured |
| Finance Agent (Vals AI) | Not measured | 57.3% | Only MiMo-V2.6-Pro measured |
| Tax Agent Bench (Vals AI) | 32.1% | 32.4% | MiMo-V2.6-Pro |
| Legal Research Bench (Vals AI) | 46.1% | 47.1% | MiMo-V2.6-Pro |
| Harvey's Legal Agent Benchmark (Vals AI) | 5.0% | 13.8% | MiMo-V2.6-Pro |
| Excel Modeling Benchmark (Vals AI) | Not measured | 62.9% | Only MiMo-V2.6-Pro measured |
| BioMysteryBench (Vals AI) | 83.7% | Not measured | Only Claude Fable 5.2 measured |
| Terminal-Bench-Science (Vals AI) | 55.7% | 2.9% | Claude Fable 5.2 |
| Vals Science Index | 63.7% | Not measured | Only Claude Fable 5.2 measured |
| APEX-Agents | 80.1% | 54.4% | Claude Fable 5.2 |
| Remote Labor Index | 41.3% | Not measured | Only Claude Fable 5.2 measured |
| SpireClimb | 15.5% | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 25 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| LiveBench reasoning | 88.8% | 79.6% | Claude Fable 5.2 |
| MysteryMechanism (Vals AI) | 51.8% | 15.3% | Claude Fable 5.2 |
| Humanity's Last Exam (Artificial Analysis run) | 74.3% | 49.4% | Claude Fable 5.2 |
| HLE-Diamond (Artificial Analysis run) | 80.2% | 15.2% | Claude Fable 5.2 |
| CritPt v2, hard subset (Artificial Analysis run) | 76.5% | 34.0% | Claude Fable 5.2 |
| GPQA Diamond (Epoch AI run) | 93.9% | Not measured | Only Claude Fable 5.2 measured |
| ARC-AGI | 98.5% | Not measured | Only Claude Fable 5.2 measured |
| ARC-AGI-2 | 93.8% | Not measured | Only Claude Fable 5.2 measured |
| SimpleBench | 94.9% | Not measured | Only Claude Fable 5.2 measured |
| Chess puzzles | 79.0% | Not measured | Only Claude Fable 5.2 measured |
| Mystery game puzzles | 90.0% | Not measured | Only Claude Fable 5.2 measured |
| EBR-bench | 90.5% | Not measured | Only Claude Fable 5.2 measured |
| LMArena Text: hard prompts | Not measured | 1511 | Only MiMo-V2.6-Pro measured |
| LMArena Text: expert | Not measured | 1539 | Only MiMo-V2.6-Pro measured |
| LMArena Text: hard prompts in English | Not measured | 1517 | Only MiMo-V2.6-Pro measured |
| LMArena Vision: diagrams | Not measured | 1283 | Only MiMo-V2.6-Pro measured |
| LMArena Vision: homework | Not measured | 1265 | Only MiMo-V2.6-Pro measured |
| Humanity's Last Exam (Scale run) | 72.4% | Not measured | Only Claude Fable 5.2 measured |
| GoBench | 2566 | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 7 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| OTIS Mock AIME | 99.7% | Not measured | Only Claude Fable 5.2 measured |
| FrontierMath, tiers 1 to 3 | 95.1% | Not measured | Only Claude Fable 5.2 measured |
| FrontierMath, tier 4 | 100.0% | Not measured | Only Claude Fable 5.2 measured |
| ProofBench | 100.0% | 70.0% | Claude Fable 5.2 |
| LMArena Text: math | Not measured | 1495 | Only MiMo-V2.6-Pro measured |
| LMArena Text: mathematical work | Not measured | 1514 | Only MiMo-V2.6-Pro measured |
| MathArena | 82.8% | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| MedCode (Vals AI) | Not measured | 45.0% | Only MiMo-V2.6-Pro measured |
| AA-Omniscience | 66.8 | -4.5 | Claude Fable 5.2 |
| SimpleQA Verified | 94.0% | Not measured | Only Claude Fable 5.2 measured |
| LMArena Text: science | Not measured | 1504 | Only MiMo-V2.6-Pro measured |
| LMArena Text: medicine and healthcare | Not measured | 1492 | Only MiMo-V2.6-Pro measured |
| LMArena Text: legal and government | Not measured | 1486 | Only MiMo-V2.6-Pro measured |
| LMArena Text: business and finance | Not measured | 1466 | Only MiMo-V2.6-Pro measured |
| PRBench Finance | 47.1% | Not measured | Only Claude Fable 5.2 measured |
| PRBench Legal | 49.0% | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 12 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index60
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| Design Arena: websites | 1351 | 1311 | Claude Fable 5.2 |
| Design Arena: UI components | 1371 | 1333 | Claude Fable 5.2 |
| Design Arena: game dev | 1396 | 1312 | Claude Fable 5.2 |
| Design Arena: data viz | Not measured | 1336 | Only MiMo-V2.6-Pro measured |
| Design Arena: 3D | 1517 | 1319 | Claude Fable 5.2 |
| Design Arena: all code categories | 1373 | 1316 | Claude Fable 5.2 |
| Design Arena: SVG | Not measured | 1292 | Only MiMo-V2.6-Pro measured |
| LiveBench design | 85.1% | 74.3% | Claude Fable 5.2 |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index31
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| Vals Index | 71.3% | 57.8% | Claude Fable 5.2 |
| LiveBench data analysis | 81.5% | 72.3% | Claude Fable 5.2 |
| Public Benefits Bench (Vals AI) | Not measured | 68.9% | Only MiMo-V2.6-Pro measured |
| SAGE (Vals AI) | Not measured | 84.5% | Only MiMo-V2.6-Pro measured |
| MedScribe (Vals AI) | Not measured | 88.3% | Only MiMo-V2.6-Pro measured |
| Long context reasoning (AA-LCR) | 83.3% | 86.3% | MiMo-V2.6-Pro |
| GDPval-AA | 1831 | 1692 | Claude Fable 5.2 |
| DTBench | 99.2% | Not measured | Only Claude Fable 5.2 measured |
| LMCA | 70.6% | Not measured | Only Claude Fable 5.2 measured |
| Furniture assembly | 90.0% | Not measured | Only Claude Fable 5.2 measured |
| LMArena Text | Not measured | 1492 | Only MiMo-V2.6-Pro measured |
| LMArena Text: instruction following | Not measured | 1492 | Only MiMo-V2.6-Pro measured |
| LMArena Text: creative writing | Not measured | 1468 | Only MiMo-V2.6-Pro measured |
| LMArena Vision | Not measured | 1266 | Only MiMo-V2.6-Pro measured |
| LMArena Text: English | Not measured | 1503 | Only MiMo-V2.6-Pro measured |
| LMArena Text: non-English | Not measured | 1475 | Only MiMo-V2.6-Pro measured |
| LMArena Text: Chinese | Not measured | 1528 | Only MiMo-V2.6-Pro measured |
| LMArena Text: Russian | Not measured | 1477 | Only MiMo-V2.6-Pro measured |
| LMArena Text: multi-turn | Not measured | 1471 | Only MiMo-V2.6-Pro measured |
| LMArena Text: longer queries | Not measured | 1503 | Only MiMo-V2.6-Pro measured |
| LMArena Text: writing and language | Not measured | 1469 | Only MiMo-V2.6-Pro measured |
| LMArena Text: entertainment and media | Not measured | 1463 | Only MiMo-V2.6-Pro measured |
| LMArena Vision: English | Not measured | 1270 | Only MiMo-V2.6-Pro measured |
| LMArena Vision: reading text | Not measured | 1274 | Only MiMo-V2.6-Pro measured |
| Neither model has a result on the other 25 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Pro | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
MiMo-V2.6-Pro costs less
Repository review
50K input + 3K output tokens
MiMo-V2.6-Pro costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.6-Pro costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Anthropic Claude Fable 5.2 | Xiaomi MiMo-V2.6-Pro |
|---|---|---|
| Maker | Anthropic | Xiaomi |
| Weights | No public weights listed | Open weights |
| Released | November 9, 2026 | September 21, 2026 |
| Context window | 1M | 1.05M |
| Input $/Mtok | $8.00 | $0.435 |
| Output $/Mtok | $40.00 | $0.87 |
| Coding index | 87.8 | 61.8 |
| Independent measurements behind it | 4 | 4 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Claude Fable 5.2 better than MiMo-V2.6-Pro for coding?
Pick Claude Fable 5.2 for coding: it scores 87.8 on the Vibe Coding Index against 61.8 for MiMo-V2.6-Pro. Pick MiMo-V2.6-Pro for output tokens 46.0x cheaper ($0.87 vs $40.00 per million) and a larger context window (1.05M against 1M tokens).
Which is cheaper, Claude Fable 5.2 or MiMo-V2.6-Pro?
Claude Fable 5.2 costs $8.00 per million input tokens and $40.00 per million output tokens; MiMo-V2.6-Pro costs $0.435 and $0.87. Cost per solved task is known for neither of them.
Which has the bigger context window, Claude Fable 5.2 or MiMo-V2.6-Pro?
MiMo-V2.6-Pro, with 1.05M tokens against 1M.
How many benchmarks is the Claude Fable 5.2 vs MiMo-V2.6-Pro comparison based on?
39 benchmarks have a result for both models as of November 14, 2026. Claude Fable 5.2's coding index rests on 4 independent benchmarks and MiMo-V2.6-Pro's on 4. Where only one model has a result, the page says so instead of naming a winner.