Price Per TokenPrice Per Token

Step3 API Pricing 2026

Compare pricing, benchmarks, and providers for Step3. Find the best value for your use case.

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Last updated: January 16, 2026 at 08:05 AM

Overview

Step3 was released on August 28, 2025. Pricing starts at $0.570 per million input tokens and $1.42 per million output tokens. The model supports a context window of up to 66K tokens. API access is available through Stepfun-ai.

Context Window
66K
tokens
Pricing
Input$0.570
Output$1.42
per 1M tokens
Speed
Output-
TTFT-
median latency
Capabilities
VisionTools

Pricing Comparison

Compare Step3 with 10 similar models by price.

Current Pricing (per 1M tokens)

11 models

Provider
Model
Input $/M
Output $/M
Coding
MMLU
GPQA
Context
Actions
$0.570
$1.420
65,536
Try
$0.480
$0.480
40.0
17.6
65,536
Try
$0.500
$2.180
163,840
Try
$0.500
$0.800
32,768
Try
$0.500
$3.000
79.7
88.2
81.2
1,048,576
Try
$0.500
$1.500
262,144
Try
$0.500
$2.400
55.6
82.4
76.6
131,072
Try
$0.500
$1.500
51.4
79.1
67.1
262,144
Try
$0.500
$1.500
46.2
29.7
16,385
Try
$0.540
$0.540
6.6
38.7
29.2
32,768
Try
$0.550
$0.800
32,768
Try

* Some models use tiered pricing based on prompt length. Displayed prices are for prompts ≤ 200k tokens.

Compare Providers

Step3 is available from multiple providers with different pricing and availability.

2
Providers
$0.570
Cheapest Input/M
$1.420
Cheapest Output/M
SiliconFlow
Best Price

Provider Pricing

2 models

Provider
Input $/M
Output $/M
Uptime
S
SiliconFlow
Best Price
$0.570
$1.420
-
OpenRouter
OpenRouter
Best Price
$0.570
$1.420
-
Provider pricing data sourced from OpenRouter and Helicone

Cost vs. Quality

Compare Step3's benchmark performance against all models.

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Frequently Asked Questions

Step3 costs $0.000570 per 1,000 input tokens and $0.001420 per 1,000 output tokens.
Step3 is available from 2 provider(s). SiliconFlow offers the best price.
We compare Step3 with 10 similarly-priced models. See the benchmark scatter plot above to compare quality vs cost.

All Stepfun-ai Models

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