Model comparison

Amazon Nova Experimental Chat 10 09 vs Devstral Small 2505

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.4 to 33.9 on the Noometry Index.

Last verified . 0 shared benchmarks.

Devstral Small 2505 Mistral AI

33.9

Rank #228 Reported

Summary

  • The widest gap is in reasoning, where Amazon Nova Experimental Chat 10 09 leads 26.2 to 19.1.
  • Devstral Small 2505 has downloadable open weights; the other is API-only.

Side by side

Amazon Nova Experimental Chat 10 09 and Devstral Small 2505 specifications
Amazon Nova Experimental Chat 10 09Devstral Small 2505
ProviderAmazonMistral AI
Noometry Index41.433.9
Released—2025-05-07
WeightsProprietaryOpen
Context window—128K
Max output—128K
Input $ / M tokens—$0.10
Output $ / M tokens—$0.30
Results tracked94

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

Category by category

Coding Amazon Nova Experimental Chat 10 09 leads

Amazon Nova Experimental Chat 10 09: 39.6 (#142), Devstral Small 2505: 38.6 (#160)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
SWE-bench Verified (bash only)—56.4%
SciCode—28.8%
LMArena Coding1371—

Reasoning Amazon Nova Experimental Chat 10 09 leads

Amazon Nova Experimental Chat 10 09: 26.2 (#122), Devstral Small 2505: 19.1 (#243)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
Kagi LLM Benchmark—37.7%
CritPt—0%
LMArena Hard Prompts1356—

Multilingual Not comparable

Amazon Nova Experimental Chat 10 09: 47.5 (#145), Devstral Small 2505: —

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
LMArena Non-English1341—
LMArena Chinese1345—

Instruction Following Not comparable

Amazon Nova Experimental Chat 10 09: 69.7 (#167), Devstral Small 2505: —

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
LMArena Instruction Following1316—

Long Context Not comparable

Amazon Nova Experimental Chat 10 09: 40.6 (#146), Devstral Small 2505: —

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
LMArena Longer Query1334—

Writing & Preference Not comparable

Amazon Nova Experimental Chat 10 09: 55.0 (#144), Devstral Small 2505: —

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 10 09Devstral Small 2505
LMArena Text1365—
LMArena Creative Writing1307—
LMArena Multi-Turn1354—

Frequently asked questions

Is Amazon Nova Experimental Chat 10 09 better than Devstral Small 2505?

Amazon Nova Experimental Chat 10 09 is the stronger model overall, scoring 41.4 to 33.9 on the Noometry Index.

Is Amazon Nova Experimental Chat 10 09 or Devstral Small 2505 better for coding?

Amazon Nova Experimental Chat 10 09 scores higher on coding benchmarks: 39.6 versus 38.6 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 10 09 and Devstral Small 2505 share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Devstral Small 2505 has 4.

Related comparisons

Go deeper