GET

/v1/models/opencode/claude-sonnet-4-5

provider opencodestatus activefirst seen Sep 29, 2025last seen 5m ago
rawIdclaude-sonnet-4-5
displayNameClaude Sonnet 4.5
idopencode-claude-sonnet-4-5
activitychat
schemaEndpointIdinference/anthropic/v1/messages
input · output
releasedAt1759104000 — Sep 29, 2025
firstSeenAt1759104000 — Sep 29, 2025
lastSeenAt1794561515 — 5m ago
pricing
$3 / 1M input · $15 / 1M output · base rate; long prompts re-quote → open calculator
input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage) · cache_write_tokens (usage)
contextWindow1000000
maxOutput64000
modalities{"input":["text","image","pdf"],"output":["text"]}
capabilities{"tools":true,"reasoning":true,"vision":true}
knowledgeCutoff"2025-07-31"
openWeightsfalse
providerMetadata{"attachment":true,"canonical_model_id":"anthropic/claude-sonnet-4-5","cost":{"cache_read":0.3,"cache_write":3.75,"context_over_200k":{"cache_read":0.6,"cache_write":7.5,"input":6,"output":22.5},"input":3,"output":15,"tiers":[{"cache_read":0.6,"cache_write":7.5,"input":6,"output":22.5,"tier":{"size":200000,"type":"context"}}]},"description":"Balanced Claude model for coding, analysis, agent workflows, and cost control","family":"claude-sonnet","id":"claude-sonnet-4-5","interleaved":true,"knowledge":"2025-07-31","last_updated":"2025-09-29","limit":{"context":1000000,"output":64000},"modalities":{"input":["text","image","pdf"],"output":["text"]},"name":"Claude Sonnet 4.5","open_weights":false,"provider":{"api":"https://opencode.ai/inference/anthropic/v1","npm":"@ai-sdk/anthropic"},"reasoning":true,"reasoning_options":[{"min":1024,"type":"budget_tokens"}],"release_date":"2025-09-29","temperature":true,"tool_call":true}
weightsUrl · requestMapnot published by this provider’s list endpoint

Endpoints & schemas

GET /v1/schemas/opencode →
endpointactivity
inference/anthropic/v1/messages
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.claude-sonnet-4-5.limit.context

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

listing

opencode.models.claude-sonnet-4-5.limit.output

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

listing

opencode.models.claude-sonnet-4-5.modalities

Source trace
cc6d13d3f27b31b7ddfa28df1fcc4e98756f31f7429cd9a4e90a1158e0bbedff
pricingSource linked above.

docs-derived

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

listing

opencode.models.claude-sonnet-4-5.reasoning_options

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

listing

opencode.models.claude-sonnet-4-5.knowledge

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

listing

opencode.models.claude-sonnet-4-5.open_weights

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

listing

opencode.models.claude-sonnet-4-5.provider

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

listing

opencode.models.claude-sonnet-4-5.tool_call

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

listing

opencode.models.claude-sonnet-4-5.reasoning

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

listing

opencode.models.claude-sonnet-4-5.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/anthropic/v1/messages # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"opencode","endpointId":"inference/anthropic/v1/messages","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"opencode","model":"claude-sonnet-4-5","usage":{"input_tokens":1200,"output_tokens":400}}'