Step 3.5 Flash pricing: real cost per million tokens
What StepFun's Step 3.5 Flash really costs across 5 plans from 2 providers: monthly fees, usable allowances and real per-token prices, against the official API list price and independent leaderboards.
Data updated · How real prices are computed
As of 2026-10-08, the cheapest way to use Step 3.5 Flash is Step Plan Max (¥699) at a real cost of about $0.0006 per million tokens ($103.1/month for roughly 173.16B tokens a month). We track 5 plans and API channels that serve Step 3.5 Flash. Official API list price per million tokens: ¥0.14 cached input, ¥0.7 input, ¥2.1 output — about $0.0242 per million tokens on a standard workload mix.
- Lowest real price
- $0.0006/MTokStep Plan Max (¥699)
- API list price
- $0.0242/MTokstandard workload mix
- Most monthly tokens
- 173.16BStep Plan Max (¥699)
- Plans & APIs
- 55 subscriptions · 0 metered APIs
Plot Step 3.5 Flash on the price–capability chart →
Step 3.5 Flash plans and real prices
Real price = monthly fee ÷ tokens you can actually use in a month. “vs API” shows how many times cheaper than the official API list price (standard workload mix) the plan is. “Evidence” opens the full calculation and sources for that row.
| Plan | Provider | Billing | Monthly fee | Monthly tokens | Real $/MTok | vs API | Confidence | Data date | |
|---|---|---|---|---|---|---|---|---|---|
| Step Plan Max (¥699) | StepFun | Subscription | $103.1/mo | 173.16B | $0.0006 | 40.6× | Medium | Evidence ↓ | |
| Step Plan Pro (¥199) | StepFun | Subscription | $29.36/mo | 34.632B | $0.00085 | 28.5× | Medium | Evidence ↓ | |
| Step Plan Plus (¥99) | StepFun | Subscription | $14.6/mo | 6.926B | $0.00211 | 11.5× | Medium | Evidence ↓ | |
| Step Plan Mini (¥49) | StepFun | Subscription | $7.23/mo | 1.732B | $0.00417 | 5.8× | Medium | Evidence ↓ | |
| Command Code GOAT | Command Code | Subscription | $10/mo | 0.864B | $0.01158 | 2.1× | Medium | Evidence ↓ |
Behind each number
For every plan: the data date, the exact calculation, the quota basis, how leaderboard scores were mapped, and the original adoption evidence with its sources.
Step Plan Max (¥699)StepFun$0.000595501/MTok
- Plan
- Step Plan Max (¥699) · StepFun
- Data date
- 2026-09-10 · official source date
- Real price / MTok
- $0.000595501
- Monthly tokens
- 173,160,200,000 (173.16B)
- Quota confidence
- Medium
- Calculation
- $103.1 / month (¥699) ÷ 173,160,200,000 tokens × 1,000,000 ≈ $0.000595501 / MTok
- Quota basis
Low-cache workload: 85% cache reads / 14.5% input / 0.5% output
Official API list (cached / in / out, per MTok): ¥0.14 / ¥0.7 / ¥2.1 · standard-load blended ≈ $0.0242/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (2 configurations)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://platform.stepfun.com/docs/zh/step-plan/overview official Credit monthly pool, 1M Credit=¥1; https://platform.stepfun.com/docs/zh/guides/pricing/details RMB three-part pricing; stepfun-step-plan-round1-2026-09-10.json; stepfun-step-plan-round3-2026-09-10.json; stepfun-step-plan-round4-2026-09-10.json; stepfun-step5-panel-round5-2026-09-21.json
244.2B→173.16B: Step's measured load cannot reach the standard 97% cache (2026-09-22 ruling); switched to the unified low-cache workload (conventions.lowCacheTokenMix 85%/14.5%/0.5%) blended price¥0.231/M; CN-site monthly 40000M Credit ÷ that price, 1M Credit=¥1, cached/input/output=¥0.14/0.7/2.1. The English $1≈7M basis differs from the CNY basis by 0% for 3.5 and is 3.2% low for 3.7 due to USD-price rounding; the Chinese exact basis is adopted.The old Coding Plan Prompt/5h table was not used; Studio's 40% creation allowance not added; step-3.5-flash-2603 shares 3.5's price and is not listed separately; step-router-v1 gets no standalone point. No usage-panel token+% or saturated measurement — computed from official absolute Credit and price list + the unified low-cache basis; exchange rate 1 USD = 6.7787 CNY (2026-09-04 CNY central parity rate; old rate 7.2); CNY monthly fee divided by the rate to get USD; https://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.html
https://platform.stepfun.com/docs/zh/step-plan/overviewhttps://platform.stepfun.com/docs/zh/guides/pricing/detailshttps://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.htmlstepfun-step-plan-round1-2026-09-10.jsonstepfun-step-plan-round3-2026-09-10.jsonstepfun-step-plan-round4-2026-09-10.jsonstepfun-step5-panel-round5-2026-09-21.jsonBrowse the public evidence archive
Step Plan Pro (¥199)StepFun$0.000847674/MTok
- Plan
- Step Plan Pro (¥199) · StepFun
- Data date
- 2026-09-10 · official source date
- Real price / MTok
- $0.000847674
- Monthly tokens
- 34,632,000,000 (34.632B)
- Quota confidence
- Medium
- Calculation
- $29.36 / month (¥199) ÷ 34,632,000,000 tokens × 1,000,000 ≈ $0.000847674 / MTok
- Quota basis
Low-cache workload: 85% cache reads / 14.5% input / 0.5% output
Official API list (cached / in / out, per MTok): ¥0.14 / ¥0.7 / ¥2.1 · standard-load blended ≈ $0.0242/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (2 configurations)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://platform.stepfun.com/docs/zh/step-plan/overview official Credit monthly pool, 1M Credit=¥1; https://platform.stepfun.com/docs/zh/guides/pricing/details RMB three-part pricing; stepfun-step-plan-round1-2026-09-10.json; stepfun-step-plan-round3-2026-09-10.json; stepfun-step-plan-round4-2026-09-10.json; stepfun-step5-panel-round5-2026-09-21.json
48.84B→34.632B: Step's measured load cannot reach the standard 97% cache (2026-09-22 ruling); switched to the unified low-cache workload (conventions.lowCacheTokenMix 85%/14.5%/0.5%) blended price¥0.231/M; CN-site monthly 8000M Credit ÷ that price, 1M Credit=¥1, cached/input/output=¥0.14/0.7/2.1. The English $1≈7M basis differs from the CNY basis by 0% for 3.5 and is 3.2% low for 3.7 due to USD-price rounding; the Chinese exact basis is adopted.The old Coding Plan Prompt/5h table was not used; Studio's 40% creation allowance not added; step-3.5-flash-2603 shares 3.5's price and is not listed separately; step-router-v1 gets no standalone point. No usage-panel token+% or saturated measurement — computed from official absolute Credit and price list + the unified low-cache basis; exchange rate 1 USD = 6.7787 CNY (2026-09-04 CNY central parity rate; old rate 7.2); CNY monthly fee divided by the rate to get USD; https://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.html
https://platform.stepfun.com/docs/zh/step-plan/overviewhttps://platform.stepfun.com/docs/zh/guides/pricing/detailshttps://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.htmlstepfun-step-plan-round1-2026-09-10.jsonstepfun-step-plan-round3-2026-09-10.jsonstepfun-step-plan-round4-2026-09-10.jsonstepfun-step5-panel-round5-2026-09-21.jsonBrowse the public evidence archive
Step Plan Plus (¥99)StepFun$0.00210854/MTok
- Plan
- Step Plan Plus (¥99) · StepFun
- Data date
- 2026-09-10 · official source date
- Real price / MTok
- $0.00210854
- Monthly tokens
- 6,926,400,000 (6.926B)
- Quota confidence
- Medium
- Calculation
- $14.6 / month (¥99) ÷ 6,926,400,000 tokens × 1,000,000 ≈ $0.00210854 / MTok
- Quota basis
Low-cache workload: 85% cache reads / 14.5% input / 0.5% output
Official API list (cached / in / out, per MTok): ¥0.14 / ¥0.7 / ¥2.1 · standard-load blended ≈ $0.0242/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (2 configurations)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://platform.stepfun.com/docs/zh/step-plan/overview official Credit monthly pool, 1M Credit=¥1; https://platform.stepfun.com/docs/zh/guides/pricing/details RMB three-part pricing; stepfun-step-plan-round1-2026-09-10.json; stepfun-step-plan-round3-2026-09-10.json; stepfun-step-plan-round4-2026-09-10.json; stepfun-step5-panel-round5-2026-09-21.json
9.768B→6.9264B: Step's measured load cannot reach the standard 97% cache (2026-09-22 ruling); switched to the unified low-cache workload (conventions.lowCacheTokenMix 85%/14.5%/0.5%) blended price¥0.231/M; CN-site monthly 1600M Credit ÷ that price, 1M Credit=¥1, cached/input/output=¥0.14/0.7/2.1. The English $1≈7M basis differs from the CNY basis by 0% for 3.5 and is 3.2% low for 3.7 due to USD-price rounding; the Chinese exact basis is adopted.The old Coding Plan Prompt/5h table was not used; Studio's 40% creation allowance not added; step-3.5-flash-2603 shares 3.5's price and is not listed separately; step-router-v1 gets no standalone point. No usage-panel token+% or saturated measurement — computed from official absolute Credit and price list + the unified low-cache basis; exchange rate 1 USD = 6.7787 CNY (2026-09-04 CNY central parity rate; old rate 7.2); CNY monthly fee divided by the rate to get USD; https://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.html
https://platform.stepfun.com/docs/zh/step-plan/overviewhttps://platform.stepfun.com/docs/zh/guides/pricing/detailshttps://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.htmlstepfun-step-plan-round1-2026-09-10.jsonstepfun-step-plan-round3-2026-09-10.jsonstepfun-step-plan-round4-2026-09-10.jsonstepfun-step5-panel-round5-2026-09-21.jsonBrowse the public evidence archive
Step Plan Mini (¥49)StepFun$0.00417448/MTok
- Plan
- Step Plan Mini (¥49) · StepFun
- Data date
- 2026-09-10 · official source date
- Real price / MTok
- $0.00417448
- Monthly tokens
- 1,731,600,000 (1.732B)
- Quota confidence
- Medium
- Calculation
- $7.23 / month (¥49) ÷ 1,731,600,000 tokens × 1,000,000 ≈ $0.00417448 / MTok
- Quota basis
Low-cache workload: 85% cache reads / 14.5% input / 0.5% output
Official API list (cached / in / out, per MTok): ¥0.14 / ¥0.7 / ¥2.1 · standard-load blended ≈ $0.0242/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (2 configurations)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://platform.stepfun.com/docs/zh/step-plan/overview official Credit monthly pool, 1M Credit=¥1; https://platform.stepfun.com/docs/zh/guides/pricing/details RMB three-part pricing; stepfun-step-plan-round1-2026-09-10.json; stepfun-step-plan-round3-2026-09-10.json; stepfun-step-plan-round4-2026-09-10.json; stepfun-step5-panel-round5-2026-09-21.json
2.442B→1.7316B: Step's measured load cannot reach the standard 97% cache (2026-09-22 ruling); switched to the unified low-cache workload (conventions.lowCacheTokenMix 85%/14.5%/0.5%) blended price¥0.231/M; CN-site monthly 400M Credit ÷ that price, 1M Credit=¥1, cached/input/output=¥0.14/0.7/2.1. The English $1≈7M basis differs from the CNY basis by 0% for 3.5 and is 3.2% low for 3.7 due to USD-price rounding; the Chinese exact basis is adopted.The old Coding Plan Prompt/5h table was not used; Studio's 40% creation allowance not added; step-3.5-flash-2603 shares 3.5's price and is not listed separately; step-router-v1 gets no standalone point. No usage-panel token+% or saturated measurement — computed from official absolute Credit and price list + the unified low-cache basis; exchange rate 1 USD = 6.7787 CNY (2026-09-04 CNY central parity rate; old rate 7.2); CNY monthly fee divided by the rate to get USD; https://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.html
https://platform.stepfun.com/docs/zh/step-plan/overviewhttps://platform.stepfun.com/docs/zh/guides/pricing/detailshttps://www.xinhuanet.com/20260904/4c1ce1cbf39d416997cb9c237d6f5024/c.htmlstepfun-step-plan-round1-2026-09-10.jsonstepfun-step-plan-round3-2026-09-10.jsonstepfun-step-plan-round4-2026-09-10.jsonstepfun-step5-panel-round5-2026-09-21.jsonBrowse the public evidence archive
Command Code GOATCommand Code$0.0115754/MTok
- Data date
- 2026-09-30 · official source date
- Real price / MTok
- $0.0115754
- Monthly tokens
- 863,900,000 (0.864B)
- Quota confidence
- Medium
- Calculation
- $10 / month ÷ 863,900,000 tokens × 1,000,000 ≈ $0.0115754 / MTok
- Quota basis
Standard workload: 97% cache reads / 2.5% input / 0.5% output
Official API list (cached / in / out, per MTok): ¥0.14 / ¥0.7 / ¥2.1 · standard-load blended ≈ $0.0242/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (2 configurations)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://commandcode.ai/docs/plans/goat official per-model allowance and three-part pricing; https://commandcode.ai/pricing; $10->$70 credits; code-subscriptions-round1-2026-09-06.json; goat-opencode-catalogs-round3-2026-09-30.json
Added 863.9M: min(shared monthly pool $70, model allowance $20) ÷ project standard-workload weighted price; official three-part price, input $0.10->$0.09 (reverified 2026-09-30); New models default $20. Processing fee ignored; allowances of different models in the same plan are not additive; no usage-panel token+% screenshot — computed from official absolute credits and the price list
https://commandcode.ai/docs/plans/goathttps://commandcode.ai/pricing;code-subscriptions-round1-2026-09-06.jsongoat-opencode-catalogs-round3-2026-09-30.jsonBrowse the public evidence archive
Step 3.5 Flash benchmark scores
Highest archived configuration per leaderboard; ranks are among all models each board archives in this dataset. Scores are never mixed across boards.
| Leaderboard | Metric | Score | Rank | Configuration | Effort | Harness | Configs | Snapshot |
|---|---|---|---|---|---|---|---|---|
| Artificial Analysis Intelligence Index v4.3 | Intelligence Index | 16.96 estimate | #59 / 60 | Step 3.5 Flash 2603 | — | — | 2 | 2026-10-01 |
Every archived configuration
Artificial Analysis Intelligence Index v4.3 2 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Step 3.5 Flash 2603 [AA estimate]Step 3.5 Flash 2603Marked intelligenceIndexIsEstimated=true in AA embedded payload; retained as estimate, not treated as fully measured. | 16.9641 AA estimate | — | — / — / — | — / — | 2026-10-01 | Source · Archive |
| Step 3.5 Flash [AA estimate]Step 3.5 FlashMarked intelligenceIndexIsEstimated=true in AA embedded payload; retained as estimate, not treated as fully measured. | 16.6169 AA estimate | — | — / — / — | — / — | 2026-10-01 | Source · Archive |
These are reference mappings, not benchmarks of a subscription or API channel. Harness and quota-measurement effort alignment are unverified. Source task costs are not subscription task costs.
- Exact served-model reference; quota-measurement effort is unverified.
Step 3.5 Flash official API pricing
| Cached input | Input | Output |
|---|---|---|
| ¥0.14 | ¥0.7 | ¥2.1 |
Frequently asked questions
How much does Step 3.5 Flash really cost per million tokens?
Measured as monthly fee ÷ tokens you can actually use, Step 3.5 Flash ranges from $0.0006 (Step Plan Max (¥699)) to $0.01158 (Command Code GOAT) per million tokens.
Which subscription gives the most Step 3.5 Flash usage?
Step Plan Max (¥699) allows roughly 173.16B tokens of Step 3.5 Flash per month for $103.1.
What is the official API price of Step 3.5 Flash?
Official API list price per million tokens: ¥0.14 cached input, ¥0.7 input, ¥2.1 output — about $0.0242 per million tokens on a standard workload mix.
How does Step 3.5 Flash score on independent leaderboards?
Step 3.5 Flash has scores on 1 leaderboard; its strongest placement is 16.96 (Intelligence Index) on Artificial Analysis Intelligence Index v4.3, #59 of 60 models tracked.
Who makes Step 3.5 Flash, and where can I use it?
Step 3.5 Flash (model ID step-3.5-flash) is made by StepFun and is available through Command Code, StepFun.
More StepFun models
| Model | Lowest real $/MTok | Cheapest plan | Plans |
|---|---|---|---|
| Step 3.7 Flash | $0.0012 | Step Plan Max (¥699) | 5 |
| Step 5 Preview | $0.00364 | Step Plan Max (¥699) | 5 |