Step 3.7 Flash (Deep Infra)
step-3-7-flash
Newer StepFun flash model for faster agents, coding, and multimodal prompts
Specification
most-agreed values
Context
262K
Max output
256K
Released
2026-05-29
Knowledge cutoff
2026-03-01
Retires
—
Open weights
yes
Input
text, image, video
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.20
Output
$1.15
Cache read
$0.04
Available from 27 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| kenari · free | free | free | — | — | 256K | 256K | — |
| unorouter · free | free | free | — | — | 256K | 256K | — |
| commandcode · stepfun | $0.20 | $1.15 | $0.04 | — | 256K | 256K | — |
| deepinfra | $0.20 | $1.15 | $0.04 | — | 262K | 262K | — |
| deepinfra · stepfun-ai | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| edenai | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| edenai · flexai | $0.20 | $1.15 | $0.03 | — | 262K | 256K | — |
| empiriolabs | $0.20 | $1.15 | $0.04 | — | 262K | 131K | — |
| huggingface · stepfun-ai | $0.20 | $1.15 | — | — | 262K | 256K | — |
| kilo · stepfun | $0.20 | $1.15 | $0.04 | — | 256K | 230K | — |
| llmgateway | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| llmgateway-providers | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| nano-gpt · thinking | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| novita | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| novita-ai · stepfun | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| openrouter · stepfun | $0.20 | $1.15 | $0.04 | — | 262K | 230K | — |
| requesty | $0.20 | $1.15 | $0.04 | — | 262K | 256K | — |
| stepfun-ai | $0.20 | $1.15 | $0.04 | — | 256K | 256K | — |
| vercel · stepfun | $0.20 | $1.15 | $0.04 | — | 256K | 256K | — |
| zenmux · stepfun | $0.20 | $1.15 | $0.04 | — | 256K | 256K | — |
| stepfun | $0.2018 | $1.2105 | $0.0403 | — | 256K | 256K | — |
| aihubmix | $0.22 | $1.32 | $0.044 | — | 256K | 256K | — |
| aihubmix · aihubmix | $0.22 | $1.32 | $0.044 | — | 256K | — | — |
| kyma · kyma | $0.2229 | $1.282 | $0.054 | — | 256K | 8K | — |
| kenari | $0.24 | $1.3714 | $0.048 | — | 256K | 256K | — |
| stepfun-ai-step-plan | — | — | — | — | 256K | 256K | — |
| stepfun-step-plan | — | — | — | — | 256K | 256K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-02 | stepfun | Cache read | $0.037 |
| 2026-10-22 | stepfun | Cache read | $0.0403 |
| 2026-09-02 | stepfun-ai | Cache read | $0.037 |
| 2026-10-22 | stepfun-ai | Cache read | $0.04 |
| 2026-09-02 | edenai · flexai | Input | $0.20 |
| 2026-10-05 | edenai · flexai | Input | $0.20 |
| 2026-09-02 | kenari | Input | free |
| 2026-10-22 | kenari | Input | $0.24 |
| 2026-09-02 | stepfun | Input | $0.185 |
| 2026-10-22 | stepfun | Input | $0.2018 |
| 2026-09-02 | stepfun-ai | Input | $0.185 |
| 2026-10-22 | stepfun-ai | Input | $0.20 |
| 2026-09-02 | edenai · flexai | Output | $1.15 |
| 2026-10-05 | edenai · flexai | Output | $1.15 |
| 2026-09-02 | kenari | Output | free |
| 2026-10-22 | kenari | Output | $1.3714 |
| 2026-09-02 | stepfun | Output | $1.11 |
| 2026-10-22 | stepfun | Output | $1.2105 |
| 2026-09-02 | stepfun-ai | Output | $1.11 |
| 2026-10-22 | stepfun-ai | Output | $1.15 |
| 2026-09-24 | edenai · flexai | Cache read | $0.03 |
| 2026-10-05 | edenai · flexai | Cache read | $0.03 |