LLM Pricing
PricingLeaderboardsToolsProvidersReleasesGuides

© 2026 LLM Pricing

About
·Contact
·Privacy
·RSS
← Model list

Step 3.5 Flash (Deep Infra)

deepinfra·deepinfra/step-3.5-flash·GA·Open weights
StepFun flash lane for quick multimodal reasoning and coding assistance

Specs & pricing

Input / output per 1M tokens
Reference price·Eden AI
$0.09 / $0.30
Blended $0.14 · Cache read $0.02
Lowest paid·Eden AIGateway
$0.09 / $0.30
Blended $0.14
Context
262,144
Output limit
256,000
Knowledge cutoff
2025-01
Released / updated
2026-01-29 / 2026-02-13
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
Modalities
Text

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Eden AI
deepinfra/stepfun-ai/Step-3.5-Flash
Gateway$0.09$0.30$0.02—262,144256,000

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = loweffort = high

Your usage cost

1Eden AI$24.60
The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input list $0.09Output list $0.30Min blended $0.14

Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-07). Each future sync adds a point, and once accumulated a line is drawn here.

Related models

Hy3cheaper alternative$0 / $0Qwen3.7 Flashcheaper alternative$0.03 / $0.13Nemotron 3.5 Lightning 30B A3Bcheaper alternative$0 / $0Laguna S 2.1cheaper alternative$0 / $0
Data partly from models.dev (MIT) · Eden AI official docs ↗