openrouter Active

StepFun: Step 3.5 Flash

Model Spec
openrouter:stepfun/step-3.5-flash

Modalities

Input
text
Output
text

Capabilities

Chat Reasoning Tools Streaming

Pricing Components

Component Price Conditions Source
token.input $0.09 / 1M tokens Standard —
token.output $0.30 / 1M tokens Standard —
token.cache_read $0.02 / 1M tokens Standard —

Specifications

Context Window
262,144 tokens
Max Output
16,384 tokens
Input Cost
$0.09/M
Output Cost
$0.30/M

History

Raw JSON

Timeline is based on collected llm_db history snapshots and may be incomplete.

2026-06-18 changed
  • extra.reasoning (add)
    — → {1 fields}
2026-06-17 changed
  • extra.benchmarks.artificial_analysis.intelligence_index (replace)
    38.5 → —
2026-06-13 changed
  • extra.benchmarks.design_arena (add)
    — → [0 items]
2026-06-12 changed
  • extra.benchmarks (add)
    — → {1 fields}
  • extra.reasoning_options (add)
    — → [0 items]
2026-06-10 changed
  • extra.family (remove)
    step → —
  • last_updated (replace)
    2026-01-29 → 2026-02-13
2026-05-21 changed
  • cost.cache_read (add)
    — → 0.02
  • cost.input (replace)
    0.1 → 0.09
  • limits.output (replace)
    65536 → 16384
2026-05-19 changed
  • extra.structured_output (replace)
    true → false
2026-05-16 changed
  • cost.cache_read (remove)
    0.02 → —
  • extra.structured_output (add)
    — → true
2026-05-05 changed
  • extra.supported_voices (add)
    — → —
2026-04-20 changed
  • capabilities.rerank (add)
    — → false
2026-04-15 changed
  • capabilities.reasoning.enabled (replace)
    false → true
  • capabilities.streaming.text (remove)
    true → —
  • capabilities.streaming.tool_calls (replace)
    false → true
2026-04-07 changed
  • extra.links (add)
    — → {1 fields}
2026-04-02 changed
  • extra.llmfit (remove)
    {17 fields} → —
2026-04-01 changed
  • limits.output (replace)
    256000 → 65536
2026-03-27 changed
  • execution (add)
    — → {2 fields}
  • extra.knowledge_cutoff (add)
    — → —
  • limits.context (replace)
    256000 → 262144
2026-03-22 changed
  • extra.llmfit.gguf_sources (replace)
    [0 items] → [2 items]
  • extra.llmfit.hf_downloads (replace)
    327178 → 85058
  • extra.llmfit.hf_likes (replace)
    674 → 728
2026-03-14 introduced
snapshots 64bf744 -> 52d5c17 • generated 2026-06-19T05:18:55
5465 models
1 / 110
claude-3-5-haiku-20241022
302ai
200,000 $0.80/$4.00
Tools Vision
claude-sonnet-4-5
302ai
200,000 $3.00/$15.00
Reasoning Tools Vision
claude-opus-4-7
302ai
1,000,000 $5.00/$25.00
Reasoning Tools Vision
gemini-2.0-flash-lite
302ai
2,000,000 $0.08/$0.30
Vision
glm-4.5-air
302ai
131,072 $0.11/$0.29
Reasoning Tools
MiniMax-M2.7
302ai
204,800 $0.30/$1.20
Tools
GLM-4.5
302ai
131,072 $0.29/$1.14
Reasoning Tools
gemini-2.5-flash
302ai
1,000,000 $0.30/$2.50
Tools Vision
kimi-k2-thinking-turbo
302ai
262,144 $1.26/$9.12
Reasoning Tools
claude-opus-4-6-thinking
302ai
1,000,000 $5.00/$25.00
Reasoning Tools Vision
gpt-5-mini
302ai
400,000 $0.25/$2.00
Reasoning Tools Vision
claude-haiku-4-5
302ai
200,000 $1.00/$5.00
Reasoning Tools Vision
MiniMax-M1
302ai
1,000,000 $0.13/$1.25
Tools
gemini-3-pro-image-preview
302ai
32,768 $2.00/$120.00
Vision
deepseek-v3.2
302ai
128,000 $0.29/$0.43
Tools
claude-sonnet-4-6-thinking
302ai
1,000,000 $3.00/$15.00
Reasoning Tools Vision
GLM-4.5V
302ai
64,000 $0.29/$0.86
Reasoning Tools Vision
claude-sonnet-4-20250514
302ai
200,000 $3.00/$15.00
Reasoning Tools Vision
doubao-seed-1-8-251215
302ai
224,000 $0.11/$0.29
Tools Vision
glm-4.5-x
302ai
128,000 $1.14/$2.29
Tools
gpt-5
302ai
400,000 $1.25/$10.00
Reasoning Tools Vision
claude-3-5-haiku-latest
302ai
200,000 $0.80/$4.00
Tools Vision
glm-4.6
302ai
204,800 $0.29/$1.14
Reasoning Tools
claude-opus-4-20250514
302ai
200,000 $15.00/$75.00
Reasoning Tools Vision
claude-sonnet-4-6
302ai
1,000,000 $3.00/$15.00
Reasoning Tools Vision
glm-5-turbo
302ai
200,000 $0.72/$3.20
Reasoning Tools
Qwen3-30B-A3B
302ai
128,000 $0.11/$1.08
Tools
gemini-2.5-flash-preview-09-2025
302ai
1,000,000 $0.30/$2.50
Tools Vision
claude-opus-4-5-20251101
302ai
200,000 $5.00/$25.00
Reasoning Tools Vision
Deepseek-Reasoner
302ai
128,000 $0.29/$0.43
Reasoning Tools
gpt-4o
302ai
128,000 $2.50/$10.00
Tools Vision
gpt-5.2
302ai
400,000 $1.75/$14.00
Reasoning Tools Vision
ministral-14b-2512
302ai
128,000 $0.33/$0.33
Tools Vision
grok-4.1
302ai
200,000 $2.00/$10.00
Tools Vision
glm-4.5-airx
302ai
128,000 $0.57/$1.71
Tools
claude-opus-4-6
302ai
1,000,000 $5.00/$25.00
Reasoning Tools Vision
gpt-5-pro
302ai
400,000 $15.00/$120.00
Reasoning Tools Vision
claude-haiku-4-5-20251001
302ai
200,000 $1.00/$5.00
Reasoning Tools Vision
gpt-5.4-nano-2026-03-17
302ai
400,000 $0.20/$1.25
Reasoning Tools Vision
MiniMax-M2.1
302ai
1,000,000 $0.30/$1.20
Tools
grok-4-1-fast-non-reasoning
302ai
2,000,000 $0.20/$0.50
Tools Vision
grok-4-fast-reasoning
302ai
2,000,000 $0.20/$0.50
Reasoning Tools Vision
kimi-k2-thinking
302ai
262,144 $0.57/$2.30
Reasoning Tools
grok-4.20-multi-agent-beta-0309
302ai
2,000,000 $2.00/$6.00
Reasoning Tools Vision
gemini-3-flash-preview
302ai
1,000,000 $0.50/$3.00
Tools Vision
grok-4-fast-non-reasoning
302ai
2,000,000 $0.20/$0.50
Tools Vision
gemini-2.5-pro
302ai
1,000,000 $1.25/$10.00
Tools Vision
gpt-5.4-pro
302ai
1,050,000 $30.00/$180.00
Reasoning Tools Vision
gpt-5.1
302ai
400,000 $1.25/$10.00
Reasoning Tools Vision
qwen3-235b-a22b-instruct-2507
302ai
128,000 $0.29/$1.14
Tools
Page 1 of 110