Quick:
openrouter
Active
OpenAI: GPT-5.4 Nano
Model Spec
openrouter:openai/gpt-5.4-nano
Modalities
Input
text
image
pdf
file
Output
text
Capabilities
Chat
Tools
Vision
Specifications
Context Window
400,000 tokens
Max Output
128,000 tokens
Input Cost
$0.20/M
Output Cost
$1.25/M
History
Raw JSONTimeline is based on collected llm_db history snapshots and may be incomplete.
2026-04-23
changed
-
cost.cache_read
(replace)
2.0e-8 → 0.02
2026-04-20
changed
-
capabilities.rerank
(add)
— → false
2026-04-15
changed
-
capabilities.streaming.text
(remove)
true → —
-
capabilities.streaming.tool_calls
(replace)
false → true
2026-04-07
changed
-
extra.links
(add)
— → {1 fields}
2026-03-27
changed
-
execution
(add)
— → {2 fields}
-
extra.knowledge_cutoff
(add)
— → 2025-08-31
2026-03-20
changed
-
cost.cache_read
(add)
— → 2.0e-8
-
extra.attachment
(add)
— → true
-
extra.family
(add)
— → gpt-nano
2026-03-18
introduced
snapshots 64bf744 -> 073fe57 • generated 2026-04-23T20:49:10
4630
of 4633 models
1 / 93
Page 1 of 93