NanoGPT

Step 3.7 Flash Thinking

Name: Step 3.7 Flash Thinking
Brand: NanoGPT

Canonical ID: nano-gpt/stepfun/step-3.7-flash:thinking

More NanoGPT models More thinking family models

Newer StepFun flash model for faster agents, coding, and multimodal prompts

Reasoning: Yes Tool use: Yes Open weights

Overview

text image video

Provider: NanoGPT
Family: thinking
Release date: 2026-05-29
Last updated: 2026-05-29
Input modalities: text, image, video
Output modalities: text

Pricing and Limits

Token pricing

Input: $0.2/1M
Output: $1.15/1M
Cached input: N/A

Context and output

Context window: 262,144
Max output tokens: 256,000
Qualified ID: nano-gpt/stepfun/step-3.7-flash:thinking

Model Summary

Step 3.7 Flash Thinking is a model listing in the NanoGPT provider catalog. It is categorized under the thinking family.

The model supports text, image, video modalities across input/output paths. Reported context capacity is 262,144. Pricing is listed at $0.2/1M input and $1.15/1M output.

Same Family: thinking

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Anthropic: Claude 3.7 Sonnet (thinking) kilo/anthropic/claude-3.7-sonnet:thinking	Kilo Gateway	200,000	$3/1M	$15/1M	Reasoning Tools
Anthropic: Claude 3.7 Sonnet (thinking) openrouter/anthropic/claude-3.7-sonnet:thinking	OpenRouter	200,000	$3/1M	$15/1M	Tools
Deepseek V3.2 Thinking nano_gpt/deepseek/deepseek-v3.2:thinking	NanoGPT	128,000	$1/1M	$2/1M	Reasoning Tools
GLM 4.5 Air Thinking nano_gpt/zai-org/glm-4.5-air:thinking	NanoGPT	128,000	$1/1M	$2/1M	Reasoning Tools
GLM 4.6 Thinking nano_gpt/zai-org/glm-4.6:thinking	NanoGPT	128,000	$1/1M	$2/1M	Reasoning Tools
GLM 4.7 Thinking nano_gpt/zai-org/glm-4.7:thinking	NanoGPT	128,000	$1/1M	$2/1M	Reasoning Tools
GLM 5 Original Thinking nano_gpt/zai-org/glm-5-original:thinking	NanoGPT	200,000	$0.8/1M	$2.56/1M	Reasoning Tools
GLM 5 Thinking nano_gpt/zai-org/glm-5:thinking	NanoGPT	200,000	$0.8/1M	$2.56/1M	Reasoning Tools
Hermes 4 405b Thinking nano_gpt/nousresearch/hermes-4-405b:thinking	NanoGPT	128,000	$1/1M	$2/1M	Reasoning Tools
Holo3-35B-A3B Thinking nano-gpt/holo3-35b-a3b:thinking	NanoGPT	65,536	$0.25/1M	$1.8/1M	Reasoning Tools

Step 3.7 Flash Thinking

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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