MythoMax 13B vs Step 3.7 Flash

MythoMax 13B costs 2.9x less per output token than Step 3.7 Flash ($0.40 vs $1.15 per million). Updated October 22, 2026; no benchmark has tested both models yet.

Replace MythoMax 13B Replace Step 3.7 Flash

G MythoMax 13BGryphe

Coding: No data
Overall: No data
Output $/M: $0.40

Step 3.7 FlashStepFun

Coding: No data
Overall: No data
Output $/M: $1.15

vs $0.40 vs $1.15 per 1M output tokens. MythoMax 13B is 2.9x cheaper.

MythoMax 13B or Step 3.7 Flash: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick MythoMax 13B for output tokens 2.9x cheaper ($0.40 vs $1.15 per million).

Model AMythoMax 13BGrypheNot benchmarkedNo coding benchmarkNo cost per solved task Model BStep 3.7 FlashStepFunNot benchmarkedNo coding benchmarkNo cost per solved task

No benchmark has tested both yet. MythoMax 13B has none yet; Step 3.7 Flash on AA Coding Index, SciCode and Terminal-Bench Hard (Artificial Analysis run). Compare them on price and context instead.

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
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Step 3.7 Flash has a AA Intelligence Index result, 19.5.
Directional only
Web design
Design Arena: websites
No call
Only Step 3.7 Flash has a Design Arena: websites result, 1196.
Directional only
Long documents
Listed context window
Step 3.7 Flash
Step 3.7 Flash takes 262K tokens against 8K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MythoMax 13B
MythoMax 13B $0.0006, Step 3.7 Flash $0.0008 per turn.
List prices

At a glance

Coding index: MythoMax 13B not benchmarked, Step 3.7 Flash not benchmarked.
Widest category: None yet: no category has been tested on both models.
Widest single gap: None yet: no benchmark has tested both models.
Output price: MythoMax 13B $0.40 against Step 3.7 Flash $1.15 per million output tokens, 2.9x apart.
Context window: MythoMax 13B takes 8K tokens, Step 3.7 Flash 262K.

Benchmark by benchmark

Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.

CodingDirectional onlySix of these boards feed the Vibe Coding Index4 boards measured

Coding benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
AA Coding Index	Not measured	39.6	Only Step 3.7 Flash measured
SciCode	Not measured	43.9%	Only Step 3.7 Flash measured
Terminal-Bench Hard (Artificial Analysis run)	Not measured	35.6%	Only Step 3.7 Flash measured
ALE-Bench	Not measured	694.1	Only Step 3.7 Flash measured
Neither model has a result on the other 35 boards here

IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Intelligence benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
AA Intelligence Index	Not measured	19.5	Only Step 3.7 Flash measured
Neither model has a result on the other 1 board here

Agentic workDirectional onlyPublic boards, shown as published, kept out of the index1 board measured

Agentic work benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
τ²-Bench Telecom	Not measured	98.5%	Only Step 3.7 Flash measured
Neither model has a result on the other 40 boards here

ReasoningDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured

Reasoning benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
GPQA Diamond (Artificial Analysis run)	Not measured	80.9%	Only Step 3.7 Flash measured
Humanity's Last Exam (Artificial Analysis run)	Not measured	21.4%	Only Step 3.7 Flash measured
Neither model has a result on the other 20 boards here

Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards measured

Web design benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
Design Arena: websites	Not measured	1196	Only Step 3.7 Flash measured
Design Arena: UI components	Not measured	1177	Only Step 3.7 Flash measured
Design Arena: game dev	Not measured	1158	Only Step 3.7 Flash measured
Design Arena: data viz	Not measured	1173	Only Step 3.7 Flash measured
Design Arena: 3D	Not measured	1128	Only Step 3.7 Flash measured
Design Arena: all code categories	Not measured	1181	Only Step 3.7 Flash measured
Design Arena: SVG	Not measured	1083	Only Step 3.7 Flash measured
Design Arena: ASCII art	Not measured	1152	Only Step 3.7 Flash measured
Neither model has a result on the other 1 board here

GeneralDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured

General benchmarks for MythoMax 13B and Step 3.7 Flash
Benchmark	MythoMax 13B	Step 3.7 Flash	Leader
IFBench	Not measured	67.3%	Only Step 3.7 Flash measured
Long context reasoning (AA-LCR)	Not measured	73.7%	Only Step 3.7 Flash measured
Neither model has a result on the other 44 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

MythoMax 13B$0.0006Fits in one request

Step 3.7 Flash$0.0008Fits in one request

MythoMax 13B costs less

Repository review

50K input + 3K output tokens

MythoMax 13B$0.019Exceeds the context window

Step 3.7 Flash$0.013Fits in one request

Step 3.7 Flash costs less

Agent loop

200K input + 10K output tokens

MythoMax 13B$0.074Exceeds the context window

Step 3.7 Flash$0.051Fits in one request

Step 3.7 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.

Specifications of MythoMax 13B and Step 3.7 Flash
Specification	MythoMax 13B	StepFun Step 3.7 Flash
Maker	Gryphe	StepFun
Weights	Open weights	Open weights
Released	July 2, 2023	May 28, 2026
Context window	8K	262K
Input $/Mtok	$0.35	$0.20
Output $/Mtok	$0.40	$1.15
Coding index	Not benchmarked	Not benchmarked
Independent measurements behind it	0	0
Cost per solved task	Not computable	Not computable
Source	OpenRouter listing	OpenRouter listing

Questions

Is MythoMax 13B better than Step 3.7 Flash for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick MythoMax 13B for output tokens 2.9x cheaper ($0.40 vs $1.15 per million).

Which is cheaper, MythoMax 13B or Step 3.7 Flash?

MythoMax 13B costs $0.35 per million input tokens and $0.40 per million output tokens; Step 3.7 Flash costs $0.20 and $1.15. Cost per solved task is known for neither of them.

Which has the bigger context window, MythoMax 13B or Step 3.7 Flash?

Step 3.7 Flash, with 262K tokens against 8K.

Has any benchmark tested both MythoMax 13B and Step 3.7 Flash?

No benchmark has tested both yet. MythoMax 13B has none yet; Step 3.7 Flash on AA Coding Index, SciCode and Terminal-Bench Hard (Artificial Analysis run). Compare them on price and context instead. Data as of October 22, 2026.

MythoMax 13B or Step 3.7 Flash: which to pick

Which one for your work

Coding

Intelligence

Web design

Long documents

Everyday cost