Noometry

Model comparison

Claude Fable 5 vs Mixtral 8x7B

Claude Fable 5 is the stronger model overall, scoring 66.8 to 27.1 on the Noometry Index. Mixtral 8x7B costs 29× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Last verified . 20 shared benchmarks.

Claude Fable 5 Anthropic

66.8

Rank #5 Confirmed

Mixtral 8x7B Mistral AI

27.1

Rank #334 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Claude Fable 5 scores higher in 8 categories and Mixtral 8x7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Fable 5 leads 88.5 to 18.8.
  • The biggest single-benchmark swing is GPQA Diamond: 85.9% for Claude Fable 5 and 30.6% for Mixtral 8x7B.
  • Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $10 / $50 for Claude Fable 5.
  • Claude Fable 5 accepts more context: 1M tokens versus 32K.
  • Mixtral 8x7B has downloadable open weights; the other is API-only.

Side by side

Claude Fable 5Mixtral 8x7B
ProviderAnthropicMistral AI
Noometry Index66.827.1
Released2026-06-072023-12-11
WeightsProprietaryOpen
Context window1M32K
Max output128K32K
Input $ / M tokens$10$0.70
Output $ / M tokens$50$0.70
Results tracked6238

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Claude Fable 5 leads

Claude Fable 5: 70.6 (#4), Mixtral 8x7B: 32.8 (#269)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Coding15191126
DeepSWE69.9%—
FrontierCode53.5%—
LMArena WebDev1625—
FrontierSWE47%—
SciCode61%—
GSO78.4%—
WeirdML91.9%—
MirrorCode63.9%—
ALE-Bench2,041—
HumanEval+—39.6%
MBPP+—49.7%

Agentic & Tool Use Not comparable

Claude Fable 5: 54.0 (#2), Mixtral 8x7B: —

BenchmarkClaude Fable 5Mixtral 8x7B
APEX-Agents63.6%—
Remote Labor Index16.1%—
τ²-bench Banking39.7%—
PostTrainBench41.8%—
GBAEval74.5%—
GDP.pdf30%—
LMArena Search1230—
Vending-Bench 25,680—

Reasoning Claude Fable 5 leads

Claude Fable 5: 76.8 (#6), Mixtral 8x7B: 18.2 (#285)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Hard Prompts15081115
DTBench98.4%49.6%
Epoch Capabilities Index162.06118.47
ARC-AGI-289.2%—
SimpleBench81.9%—
Kagi LLM Benchmark91.4%—
NYT Connections (extended)92.7%—
ARC-AGI-198.5%—
CritPt28.6%—
Chess Puzzles41%—
EnigmaEval39.3%—
EBR-Bench39.5%—
Mystery Game Puzzles52%—
LMCA61.1%—
Surface Evolver Bench95%—
Adversarial NLI—55.2%
Bench to the Future 30.13—
ForecastBench—56.3
HellaSwag—86.7%
PIQA—83.6%
WinoGrande—77.2%

Math Claude Fable 5 leads

Claude Fable 5: 88.5 (#5), Mixtral 8x7B: 18.8 (#289)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Math15191147
FrontierMath (Tiers 1-3)87%—
FrontierMath Tier 490.2%—
OTIS Mock AIME 2024-2025100%—
ProofBench95%—
Omni-MATH—10.5%
MATH Level 5—10%
FrontierMath Erdős0%—
GSM8K—74.4%

Knowledge Claude Fable 5 leads

Claude Fable 5: 62.2 (#25), Mixtral 8x7B: 11.0 (#301)

BenchmarkClaude Fable 5Mixtral 8x7B
GPQA Diamond85.9%30.6%
LMArena Expert15341088
SimpleQA Verified70.7%—
MMLU-Pro—33.5%
GPQA (HELM)—29.6%
ARC (AI2) Challenge—87.3%
MMLU—70.6%
OpenBookQA—85.8%
TriviaQA—82.2%

Multimodal Not comparable

Claude Fable 5: 45.3 (#17), Mixtral 8x7B: —

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Vision1324—
Blueprint-Bench 238.6%—
Furniture Assembly35.8%—
LMArena Document1496—

Multilingual Claude Fable 5 leads

Claude Fable 5: 57.3 (#9), Mixtral 8x7B: 29.6 (#266)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Non-English14811077
LMArena Chinese15431055
LMArena French15051166
LMArena German14861114
LMArena Japanese1506931
LMArena Korean1488968
LMArena Russian15041090
LMArena Spanish14981111

Instruction Following Claude Fable 5 leads

Claude Fable 5: 78.6 (#8), Mixtral 8x7B: 51.0 (#297)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Instruction Following15021109
IFEval—57.5%

Long Context Claude Fable 5 leads

Claude Fable 5: 46.3 (#23), Mixtral 8x7B: 33.4 (#260)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Longer Query15091103

Writing & Preference Claude Fable 5 leads

Claude Fable 5: 75.9 (#5), Mixtral 8x7B: 34.2 (#270)

BenchmarkClaude Fable 5Mixtral 8x7B
LMArena Text14911132
LMArena Creative Writing14941109
LMArena Multi-Turn15041115
EQ-Bench Creative Writing1943—
WildBench—67.3%
EQ-Bench 41340—

Frequently asked questions

Is Claude Fable 5 better than Mixtral 8x7B?

Claude Fable 5 is the stronger model overall, scoring 66.8 to 27.1 on the Noometry Index. Mixtral 8x7B costs 29× less per token, which makes it the better buy when Claude Fable 5's lead doesn't matter for your workload.

Which is cheaper, Claude Fable 5 or Mixtral 8x7B?

Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Claude Fable 5 lists at $10 and $50.

Is Claude Fable 5 or Mixtral 8x7B better for coding?

Claude Fable 5 scores higher on coding benchmarks: 70.6 versus 32.8 in the Noometry coding category.

Which has the bigger context window?

Claude Fable 5 does, with 1M tokens against 32K.

How many benchmarks do Claude Fable 5 and Mixtral 8x7B share?

20 benchmarks have published results for both models. Claude Fable 5 has 62 scored results on Noometry and Mixtral 8x7B has 38.

Related comparisons

Go deeper