Model comparison

Mistral 7B vs Step 3.7 Flash

Step 3.7 Flash is the stronger model overall, scoring 37.3 to 23.0 on the Noometry Index. Mistral 7B costs 1.7× less per token, which makes it the better buy when Step 3.7 Flash's lead doesn't matter for your workload.

Last verified October 11, 2026. 0 shared benchmarks.

Mistral 7B

Mistral AI

23.0

Rank #351 Confirmed

Step 3.7 Flash

StepFun

37.3

Rank #207 Reported

Summary

The widest gap is in math, where Step 3.7 Flash leads 42.9 to 8.1.
Mistral 7B is cheaper at $0.25 / $0.25 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
Step 3.7 Flash accepts more context: 256K tokens versus 8K.

Side by side

Mistral 7B and Step 3.7 Flash specifications
	Mistral 7B	Step 3.7 Flash
Provider	Mistral AI	StepFun
Noometry Index	23.0	37.3
Released	2023-09-27	2026-05-29
Weights	Open	Open
Context window	8K	256K
Max output	8K	256K
Input $ / M tokens	$0.25	$0.18
Output $ / M tokens	$0.25	$1.11
Results tracked	37	5

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Category by category

Coding Step 3.7 Flash leads

Mistral 7B: 26.4 (#326), Step 3.7 Flash: 40.0 (#150)

Coding benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
SciCode	—	40%
BigCodeBench Instruct	19.5%	—
LMArena Coding	1082	—
BigCodeBench Complete	27.3%	—
ALE-Bench	—	694.12
HumanEval+	36%	—
MBPP+	42.1%	—

Reasoning Step 3.7 Flash leads

Mistral 7B: 13.1 (#336), Step 3.7 Flash: 21.6 (#219)

Reasoning benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
NYT Connections (extended)	—	39.7%
CritPt	—	2.3%
Chess Puzzles	0%	—
LMArena Hard Prompts	1067	—
DTBench	42.5%	—
Adversarial NLI	47.1%	—
BIG-Bench Hard	56.1%	—
Epoch Capabilities Index	112.21	—
HellaSwag	81%	—
PIQA	83%	—
WinoGrande	75.3%	—

Math Step 3.7 Flash leads

Mistral 7B: 8.1 (#325), Step 3.7 Flash: 42.9 (#82)

Math benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
MathArena Final-Answer Competitions	—	68.5%
OTIS Mock AIME 2024-2025	0.3%	—
LMArena Math	1085	—
MATH Level 5	3.7%	—
GSM8K	54.4%	—

Knowledge Not comparable

Mistral 7B: 7.4 (#311), Step 3.7 Flash: —

Knowledge benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
GPQA Diamond	15.2%	—
LMArena Expert	1036	—
ARC (AI2) Challenge	78.6%	—
BoolQ	87.4%	—
MMLU	62.5%	—
OpenBookQA	79.8%	—
TriviaQA	75.2%	—

Multilingual Not comparable

Mistral 7B: 25.8 (#283), Step 3.7 Flash: —

Multilingual benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
LMArena Non-English	1012	—
LMArena Chinese	1009	—
LMArena French	1037	—
LMArena German	987	—
LMArena Japanese	878	—
LMArena Russian	1018	—
LMArena Spanish	1026	—

Instruction Following Not comparable

Mistral 7B: 54.2 (#280), Step 3.7 Flash: —

Instruction Following benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
LMArena Instruction Following	1060	—

Long Context Not comparable

Mistral 7B: 32.2 (#271), Step 3.7 Flash: —

Long Context benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
LMArena Longer Query	1060	—

Writing & Preference Not comparable

Mistral 7B: 30.7 (#286), Step 3.7 Flash: —

Writing & Preference benchmarks
Benchmark	Mistral 7B	Step 3.7 Flash
LMArena Text	1090	—
LMArena Creative Writing	1068	—
LMArena Multi-Turn	1062	—

Frequently asked questions

Is Mistral 7B better than Step 3.7 Flash?

Which is cheaper, Mistral 7B or Step 3.7 Flash?

Mistral 7B is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.

Is Mistral 7B or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 26.4 in the Noometry coding category.

Which has the bigger context window?

Step 3.7 Flash does, with 256K tokens against 8K.

How many benchmarks do Mistral 7B and Step 3.7 Flash share?

0 benchmarks have published results for both models. Mistral 7B has 37 scored results on Noometry and Step 3.7 Flash has 5.