Claude Fable 5.2 vs MiMo-V2.6-Flash
Claude Fable 5.2 leads MiMo-V2.6-Flash on coding, 87.8 to 54.8 on the Vibe Coding Index, and MiMo-V2.6-Flash costs 142.9x less per output token ($0.28 vs $40.00 per million). Updated November 14, 2026; 27 benchmarks have a result for both.
Claude Fable 5.2 or MiMo-V2.6-Flash: which to pick
Pick Claude Fable 5.2 for coding: it scores 87.8 on the Vibe Coding Index against 54.8 for MiMo-V2.6-Flash.
Pick MiMo-V2.6-Flash for output tokens 142.9x cheaper ($0.28 vs $40.00 per million) and a larger context window (1.05M against 1M tokens).
- Shared results
- 27
- Claude Fable 5.2 only
- 41
- MiMo-V2.6-Flash only
- 49
- Like-for-like categories
- 7 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 54.8.
4 and 3 benchmarks behind the scores
Intelligence
AA Intelligence Index
Claude Fable 5.2
Claude Fable 5.2 leads, 64.6 against 26.7.
Same board, both measured
Web design
Design Arena: websites
No call
Only Claude Fable 5.2 has a Design Arena: websites result, 1351.
Directional only
General
Vals Index
Claude Fable 5.2
Claude Fable 5.2 leads, 71.3% against 54.8%.
Same board, both measured
Long documents
Listed context window
MiMo-V2.6-Flash
MiMo-V2.6-Flash takes 1.05M tokens against 1M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.6-Flash
Claude Fable 5.2 $0.028, MiMo-V2.6-Flash $0.0003 per turn.
List prices
At a glance
- Coding index
- Claude Fable 5.2 87.8 from 4 benchmarks, MiMo-V2.6-Flash 54.8 from 3 benchmarks.
- Widest category
- Reasoning, 45.7 points apart on average over 4 shared benchmarks.
- Widest single gap
- HLE-Diamond (Artificial Analysis run): Claude Fable 5.2 80.2% against MiMo-V2.6-Flash 13.7%, 66.5 points apart on a 0 to 100 scale.
- Output price
- Claude Fable 5.2 $40.00 against MiMo-V2.6-Flash $0.28 per million output tokens, 142.9x apart.
- Context window
- Claude Fable 5.2 takes 1M tokens, MiMo-V2.6-Flash 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-Flash | Ties |
|---|---|---|---|---|
| Coding | 11 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 5 | 1 | ||
| Reasoning | 4 | 0 | ||
| Math | 1 | 0 | ||
| Knowledge | 1 | 0 | ||
| General | 3 | 0 | ||
| All shared boards | 26 | 1 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index110
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| LiveBench coding | 79.2% | Not measured | Only Claude Fable 5.2 measured |
| LMArena WebDev | 1838 | 1638 | Claude Fable 5.2 |
| Terminal-Bench 4 (Vals AI) | 65.2% | 24.2% | Claude Fable 5.2 |
| Vibe Code Bench (Vals AI) | 93.8% | 79.0% | Claude Fable 5.2 |
| Code migration (Vals AI) | Not measured | 40.9% | Only MiMo-V2.6-Flash measured |
| ProgramBench (Vals AI) | 19.0% | 0.5% | Claude Fable 5.2 |
| IOI (Vals AI) | Not measured | 47.7% | Only MiMo-V2.6-Flash measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 76.4% | Only MiMo-V2.6-Flash measured |
| SWE-bench Multimodal (Vals AI) | 62.3% | Not measured | Only Claude Fable 5.2 measured |
| CyberBench (Vals AI) | Not measured | 75.4% | Only MiMo-V2.6-Flash measured |
| SciCode | 67.7% | 51.3% | Claude Fable 5.2 |
| Terminal-Bench 4.0 (Artificial Analysis run) | 61.6% | 22.7% | Claude Fable 5.2 |
| FrontierCode 2.0 | 49.1% | 21.6% | Claude Fable 5.2 |
| FrontierSWE | 69.9% | Not measured | Only Claude Fable 5.2 measured |
| ALE-Bench | 2509.8 | 1244.2 | Claude Fable 5.2 |
| LMArena Text: coding | Not measured | 1497 | Only MiMo-V2.6-Flash measured |
| LMArena Text: software and IT | Not measured | 1493 | Only MiMo-V2.6-Flash measured |
| LMArena WebDev: React | 1915 | 1654 | Claude Fable 5.2 |
| LMArena WebDev: HTML | 1738 | 1637 | Claude Fable 5.2 |
| LMArena WebDev: from an image | Not measured | 1593 | Only MiMo-V2.6-Flash measured |
| GameBench 2 | 99.1 | 59.0 | Claude Fable 5.2 |
| Terminal-Bench 4.0 | Not measured | 16.1% | Only MiMo-V2.6-Flash 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-Flash | Leader |
|---|---|---|---|
| AA Intelligence Index | 64.6 | 26.7 | 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 index51
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| 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% | Not measured | Only Claude Fable 5.2 measured |
| LiveBench browser | 86.9% | Not measured | Only Claude Fable 5.2 measured |
| LiveBench long agentic | 82.9% | Not measured | Only Claude Fable 5.2 measured |
| SREBench (Vals AI) | Not measured | 4.2% | Only MiMo-V2.6-Flash measured |
| Finance Agent (Vals AI) | Not measured | 56.3% | Only MiMo-V2.6-Flash measured |
| Tax Agent Bench (Vals AI) | 32.1% | 28.5% | Claude Fable 5.2 |
| Legal Research Bench (Vals AI) | 46.1% | 38.0% | Claude Fable 5.2 |
| Harvey's Legal Agent Benchmark (Vals AI) | 5.0% | 13.3% | MiMo-V2.6-Flash |
| Excel Modeling Benchmark (Vals AI) | Not measured | 65.5% | Only MiMo-V2.6-Flash measured |
| BioMysteryBench (Vals AI) | 83.7% | 69.3% | Claude Fable 5.2 |
| Terminal-Bench-Science (Vals AI) | 55.7% | 4.3% | Claude Fable 5.2 |
| Vals Science Index | 63.7% | 31.7% | Claude Fable 5.2 |
| APEX-Agents | 80.1% | Not measured | Only Claude Fable 5.2 measured |
| 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 26 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| LiveBench reasoning | 88.8% | Not measured | Only Claude Fable 5.2 measured |
| MysteryMechanism (Vals AI) | 51.8% | 21.6% | Claude Fable 5.2 |
| Humanity's Last Exam (Artificial Analysis run) | 74.3% | 35.1% | Claude Fable 5.2 |
| HLE-Diamond (Artificial Analysis run) | 80.2% | 13.7% | Claude Fable 5.2 |
| CritPt v2, hard subset (Artificial Analysis run) | 76.5% | 29.5% | 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 | 1468 | Only MiMo-V2.6-Flash measured |
| LMArena Text: expert | Not measured | 1497 | Only MiMo-V2.6-Flash measured |
| LMArena Text: hard prompts in English | Not measured | 1488 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: diagrams | Not measured | 1266 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: homework | Not measured | 1288 | Only MiMo-V2.6-Flash 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-Flash | 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% | 63.0% | Claude Fable 5.2 |
| LMArena Text: math | Not measured | 1467 | Only MiMo-V2.6-Flash measured |
| LMArena Text: mathematical work | Not measured | 1481 | Only MiMo-V2.6-Flash 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-Flash | Leader |
|---|---|---|---|
| MedCode (Vals AI) | Not measured | 41.1% | Only MiMo-V2.6-Flash measured |
| AA-Omniscience | 66.8 | -10.8 | Claude Fable 5.2 |
| SimpleQA Verified | 94.0% | Not measured | Only Claude Fable 5.2 measured |
| LMArena Text: science | Not measured | 1455 | Only MiMo-V2.6-Flash measured |
| LMArena Text: medicine and healthcare | Not measured | 1445 | Only MiMo-V2.6-Flash measured |
| LMArena Text: legal and government | Not measured | 1451 | Only MiMo-V2.6-Flash measured |
| LMArena Text: business and finance | Not measured | 1451 | Only MiMo-V2.6-Flash 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 designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Design Arena: websites | 1351 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: UI components | 1371 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: game dev | 1396 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: 3D | 1517 | Not measured | Only Claude Fable 5.2 measured |
| Design Arena: all code categories | 1373 | Not measured | Only Claude Fable 5.2 measured |
| LiveBench design | 85.1% | Not measured | Only Claude Fable 5.2 measured |
| Neither model has a result on the other 3 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index30
| Benchmark | Claude Fable 5.2 | MiMo-V2.6-Flash | Leader |
|---|---|---|---|
| Vals Index | 71.3% | 54.8% | Claude Fable 5.2 |
| LiveBench data analysis | 81.5% | Not measured | Only Claude Fable 5.2 measured |
| Public Benefits Bench (Vals AI) | Not measured | 67.6% | Only MiMo-V2.6-Flash measured |
| SAGE (Vals AI) | Not measured | 83.3% | Only MiMo-V2.6-Flash measured |
| MedScribe (Vals AI) | Not measured | 85.3% | Only MiMo-V2.6-Flash measured |
| Long context reasoning (AA-LCR) | 83.3% | 74.3% | Claude Fable 5.2 |
| GDPval-AA | 1831 | 1615 | 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 | 1451 | Only MiMo-V2.6-Flash measured |
| LMArena Text: instruction following | Not measured | 1445 | Only MiMo-V2.6-Flash measured |
| LMArena Text: creative writing | Not measured | 1402 | Only MiMo-V2.6-Flash measured |
| LMArena Vision | Not measured | 1260 | Only MiMo-V2.6-Flash measured |
| LMArena Text: English | Not measured | 1473 | Only MiMo-V2.6-Flash measured |
| LMArena Text: non-English | Not measured | 1430 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Chinese | Not measured | 1516 | Only MiMo-V2.6-Flash measured |
| LMArena Text: German | Not measured | 1461 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Japanese | Not measured | 1362 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Korean | Not measured | 1411 | Only MiMo-V2.6-Flash measured |
| LMArena Text: French | Not measured | 1474 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Spanish | Not measured | 1462 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Russian | Not measured | 1415 | Only MiMo-V2.6-Flash measured |
| LMArena Text: Polish | Not measured | 1441 | Only MiMo-V2.6-Flash measured |
| LMArena Text: multi-turn | Not measured | 1443 | Only MiMo-V2.6-Flash measured |
| LMArena Text: longer queries | Not measured | 1455 | Only MiMo-V2.6-Flash measured |
| LMArena Text: writing and language | Not measured | 1418 | Only MiMo-V2.6-Flash measured |
| LMArena Text: entertainment and media | Not measured | 1414 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: English | Not measured | 1274 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: Chinese | Not measured | 1346 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: reading text | Not measured | 1273 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: humor | Not measured | 1236 | Only MiMo-V2.6-Flash measured |
| LMArena Vision: creative writing | Not measured | 1236 | Only MiMo-V2.6-Flash measured |
| Neither model has a result on the other 16 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-Flash | 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-Flash costs less
Repository review
50K input + 3K output tokens
MiMo-V2.6-Flash costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.6-Flash 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-Flash |
|---|---|---|
| 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 | $0.14 |
| Output $/Mtok | $40.00 | $0.28 |
| Coding index | 87.8 | 54.8 |
| Independent measurements behind it | 4 | 3 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Claude Fable 5.2 better than MiMo-V2.6-Flash for coding?
Pick Claude Fable 5.2 for coding: it scores 87.8 on the Vibe Coding Index against 54.8 for MiMo-V2.6-Flash. Pick MiMo-V2.6-Flash for output tokens 142.9x cheaper ($0.28 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-Flash?
Claude Fable 5.2 costs $8.00 per million input tokens and $40.00 per million output tokens; MiMo-V2.6-Flash costs $0.14 and $0.28. Cost per solved task is known for neither of them.
Which has the bigger context window, Claude Fable 5.2 or MiMo-V2.6-Flash?
MiMo-V2.6-Flash, with 1.05M tokens against 1M.
How many benchmarks is the Claude Fable 5.2 vs MiMo-V2.6-Flash comparison based on?
27 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-Flash's on 3. Where only one model has a result, the page says so instead of naming a winner.