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Step 5 Preview API PricingNEW

StepFun · released 2026-09-18

Pricing

$1.00
input / 1M tokens
0.100¢ / 1K
$2.70
output / 1M tokens
0.270¢ / 1K
$1.425
blended / 1M tokens
0.143¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.131¢
RAG query4,000 in / 500 out0.535¢
Long document summary50,000 in / 1,000 out$0.0527
Code review of a 2k-line file30,000 in / 2,000 out$0.0354
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$39.30

Cost = (input tokens ÷ 1,000,000 × $1.00) + (output tokens ÷ 1,000,000 × $2.70).

Benchmarks

43.7
Intelligence
#12 of 533
—
Coding
—
Math
91
Tokens/sec
5.55s
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
GLM 5.3 Flash41.8$0.237
MiMo-V2.6-Pro46.3$0.544

Leaderboard neighbours

ModelIntelligenceBlended $/1M
Qwen3.8 Max (0902)45.4$3.00
GLM-5.3 (max)44.8$2.15
Grok 4.6 (high)44.3$3.00
Step 5 Preview43.7$1.425
Kimi K3 (max)43.6$6.00
GPT-5.6 Terra (max)42.1$4.50
Claude Opus 4.8 (Adaptive Reasoning, Max Effort)41.8$10.00

More from StepFun

ModelIntelligenceBlended $/1M
Step 3.7 Flash19.5$0.438
Step 3.5 Flash 260317.0$0.15
Step 3.5 Flash16.6$0.15
Step3 VL 10B7.7—

Count tokens & estimate cost for Step 5 Preview See Step 5 Preview on the leaderboard

Source: Artificial Analysis · last synced 2026-09-22

FAQ

Who develops Step 5 Preview?

Step 5 Preview is developed by StepFun, released 2026-09-18.

How much does Step 5 Preview cost per million tokens?

Step 5 Preview costs $1.00 per 1M input tokens and $2.70 per 1M output tokens ($1.425 blended), per Artificial Analysis's official pricing data.

How does Step 5 Preview rank on benchmarks?

Step 5 Preview scores 43.7 on the Artificial Analysis Intelligence Index, ranking #12 of 533 models we track.

Is there a cheaper model with similar intelligence to Step 5 Preview?

Yes — GLM 5.3 Flash scores similar intelligence (41.8) at $0.237/1M blended, versus $1.425/1M for Step 5 Preview.

Where does this data come from?

Pricing and benchmark data for Step 5 Preview comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.