GET

/v1/models/opencode/gpt-5.5

provider opencodestatus activefirst seen Apr 23, 2026last seen 3m ago
rawIdgpt-5.5
displayNameGPT-5.5
idopencode-gpt-5-5
activitychat
schemaEndpointIdinference/openai/v1/responses
input · output
releasedAt1776902400 — Apr 23, 2026
firstSeenAt1776902400 — Apr 23, 2026
lastSeenAt1794559749 — 3m ago
pricing
$5 / 1M input · $30 / 1M output · base rate; long prompts re-quote → open calculator
input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage)
contextWindow1050000
maxOutput128000
modalities{"input":["text","image","pdf"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"structured_outputs":true,"vision":true}
knowledgeCutoff"2025-12-01"
openWeightsfalse
providerMetadata{"attachment":true,"canonical_model_id":"openai/gpt-5.5","cost":{"cache_read":0.5,"context_over_200k":{"cache_read":1,"input":10,"output":45},"input":5,"output":30,"tiers":[{"cache_read":1,"input":10,"output":45,"tier":{"size":272000,"type":"context"}}]},"description":"Default frontier GPT for coding, computer use, research, and knowledge work","family":"gpt","id":"gpt-5.5","knowledge":"2025-12-01","last_updated":"2026-04-23","limit":{"context":1050000,"input":922000,"output":128000},"modalities":{"input":["text","image","pdf"],"output":["text"]},"name":"GPT-5.5","open_weights":false,"provider":{"api":"https://opencode.ai/inference/openai/v1","npm":"@ai-sdk/openai"},"reasoning":true,"reasoning_options":[{"type":"effort","values":["none","low","medium","high","xhigh"]}],"release_date":"2026-04-23","structured_output":true,"temperature":false,"tool_call":true}
weightsUrl · requestMapnot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/opencode →
endpointactivity
inference/openai/v1/responses
input · output
chat

endpoints matching this model — the provider has more, see /v1/schemas/opencode

Sources

fieldrecorded source
contextWindowhttps://models.dev/api.json

listing

opencode.models.gpt-5.5.limit.context

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
maxOutputhttps://models.dev/api.json

listing

opencode.models.gpt-5.5.limit.output

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
modalitieshttps://models.dev/api.json

listing

opencode.models.gpt-5.5.modalities

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
pricingSource linked above.

docs-derived

Source trace
7c679ba1d370b4f455e84534094cfa25c1a6ce2b3c48479fdfbda654aaddda89
reasoninghttps://models.dev/api.json

listing

opencode.models.gpt-5.5.reasoning_options

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
knowledgeCutoffhttps://models.dev/api.json

listing

opencode.models.gpt-5.5.knowledge

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
openWeightshttps://models.dev/api.json

listing

opencode.models.gpt-5.5.open_weights

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
schemaEndpointIdhttps://models.dev/api.json

listing

opencode.models.gpt-5.5.provider

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
capabilities.toolshttps://models.dev/api.json

listing

opencode.models.gpt-5.5.tool_call

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
capabilities.reasoninghttps://models.dev/api.json

listing

opencode.models.gpt-5.5.reasoning

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
capabilities.structured_outputshttps://models.dev/api.json

listing

opencode.models.gpt-5.5.structured_output

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
capabilities.visionhttps://models.dev/api.json

listing

opencode.models.gpt-5.5.modalities.input

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
requestMaphttps://opencode.ai/docs/zen

Value unknown (null); not published in the checked source · checked 2026-10-09.

requestMapFields.replayReasoningContenthttps://opencode.ai/docs/zen

Value unknown (null); not published in the checked source · checked 2026-10-09.

activitySource unknown — no source URL recorded.

Use it

shell
$ curl https://modelschemas.com/v1/schemas/opencode/chat/inference/openai/v1/responses # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"opencode","endpointId":"inference/openai/v1/responses","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"opencode","model":"gpt-5.5","usage":{"input_tokens":1200,"output_tokens":400}}'