Help us shape the future of Go! Take the 2026 Go Developer Survey

Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

translate

package module

Go to main page

Versions in this module

v0

v0.4.1

Oct 11, 2026

retracted

v0.4.0

Oct 9, 2026

retracted

v0.0.4

Oct 23, 2026

v0.0.3

Oct 22, 2026

Changes in this version

+ var ErrChatStreamTruncated = protocolErrorf("Chat", "stream ended without [DONE]")

+ var ErrResponsesStreamTruncated = protocolErrorf("Responses", "stream ended without a terminal event")

+ type Assessment struct

+ Conversion ConversionID

+ Evaluated []FidelityFeature

+ Feasibility Feasibility

+ Phase ObservationPhase

+ Report Report

+ Requirements FidelityRequirements

+ UnknownPaths []string

+ func AssessConversion(id ConversionID, phase ObservationPhase, payload map[string]any, ...) Assessment

+ type CompletionQuality string

+ const CompletionComplete

+ const CompletionFailed

+ const CompletionPartial

+ const CompletionTruncated

+ const CompletionUnknown

+ type ConversionID string

+ const ConversionChatToMessages

+ const ConversionChatToResponses

+ const ConversionMessagesToChat

+ const ConversionResponsesToChat

+ type CountObservation struct

+ Path string

+ Presence CountPresence

+ Provenance UsageProvenance

+ Value int64

+ type CountPresence string

+ const CountAbsent

+ const CountInvalid

+ const CountPresent

+ type Feasibility string

+ const FeasibilitySupported

+ const FeasibilityUnknown

+ const FeasibilityUnsupported

+ type FidelityFeature string

+ const FidelityBilling

+ const FidelityContent

+ const FidelityReplay

+ const FidelitySchema

+ const FidelityTools

+ type FidelityRequirements struct

+ Billing bool

+ Content bool

+ Replay bool

+ Schema bool

+ Tools bool

+ func InferFidelityRequirements(payload map[string]any) FidelityRequirements

+ type ObservationPhase string

+ const PhaseFinal

+ const PhaseRequest

+ const PhaseResponse

+ const PhaseStreamEvent

+ type StreamObservation struct

+ Assessment Assessment

+ Completed bool

+ Err error

+ Usage UsageObservation

+ func AnthropicSSEToOpenAIChunksObserved(lines func() (string, bool), model string, emit func(string), ...) StreamObservation

+ func OpenAIStreamToAnthropicSSEObserved(chunks func() (string, bool), model string, emit func(string), ...) StreamObservation

+ func OpenAIStreamToResponsesSSEObserved(chunks func() (string, bool), model string, request map[string]any, ...) StreamObservation

+ func ResponsesSSEToOpenAIChunksObserved(events func() (string, bool), model string, emit func(string), ...) StreamObservation

+ type StreamObservationOptions struct

+ IncludeUsage bool

+ Observe func(StreamObservation)

+ Requirements FidelityRequirements

+ type UsageAccumulator struct

+ func NewUsageAccumulator(dialect UsageDialect) *UsageAccumulator

+ func (a *UsageAccumulator) Merge(raw any)

+ func (a *UsageAccumulator) Snapshot(quality CompletionQuality) UsageObservation

+ func (a *UsageAccumulator) SnapshotWithDetails(quality CompletionQuality) UsageObservationWithDetails

+ type UsageDetails struct

+ AcceptedPredictionTokens CountObservation

+ InputAudioTokens CountObservation

+ OutputAudioTokens CountObservation

+ RejectedPredictionTokens CountObservation

+ WebFetchRequests CountObservation

+ WebSearchRequests CountObservation

+ type UsageDialect string

+ const UsageDialectChat

+ const UsageDialectMessages

+ const UsageDialectResponses

+ type UsageObservation struct

+ BaseInputTokens CountObservation

+ CacheReadTokens CountObservation

+ CacheWrite1hTokens CountObservation

+ CacheWrite5mTokens CountObservation

+ CacheWriteTokens CountObservation

+ Dialect UsageDialect

+ InputTokens CountObservation

+ Issues []string

+ OutputTokens CountObservation

+ Quality CompletionQuality

+ Raw map[string]json.RawMessage

+ RawTruncated bool

+ ReasoningTokens CountObservation

+ Source string

+ TotalTokens CountObservation

+ func ObserveUsage(dialect UsageDialect, raw any, quality CompletionQuality) UsageObservation

+ func ObserveUsageWithSource(dialect UsageDialect, raw any, quality CompletionQuality, ...) UsageObservation

+ type UsageObservationWithDetails struct

+ Details UsageDetails

+ func ObserveUsageWithDetails(dialect UsageDialect, raw any, quality CompletionQuality) UsageObservationWithDetails

+ func ObserveUsageWithSourceAndDetails(dialect UsageDialect, raw any, quality CompletionQuality, ...) UsageObservationWithDetails

+ type UsageProvenance string

+ const UsageDerived

+ const UsageReported

+ const UsageSynthetic

v0.0.2

Oct 12, 2026

v0.0.1

Oct 9, 2026

Changes in this version

+ var ErrStreamTruncated = errors.New("Anthropic stream ended without message_stop")

+ func AnthropicMessagesToOpenAI(messages []any, system any) []map[string]any

+ func AnthropicRequestToOpenAI(payload map[string]any) ([]map[string]any, map[string]any, []string)

+ func AnthropicResponseToOpenAI(response map[string]any, model string) map[string]any

+ func AnthropicSSEToOpenAIChunks(lines func() (string, bool), model string, emit func(string))

+ func AnthropicStopReasonToOpenAI(reason any) string

+ func AnthropicToolChoiceToOpenAI(choice map[string]any) any

+ func AnthropicToolsToOpenAI(tools []any) []any

+ func ChatResponseToResponses(model string, chat map[string]any) map[string]any

+ func ChatResponseToResponsesWithRequest(model string, chat map[string]any, request map[string]any) map[string]any

+ func ChatToResponses(model string, messages []map[string]any, kw map[string]any, stream bool) map[string]any

+ func FailedResponseEnvelope(model, id, code, message string, request map[string]any) map[string]any

+ func NewResponseEnvelope(model, id, status string, output []any, request map[string]any) map[string]any

+ func OpenAIFinishReasonToAnthropic(reason any) string

+ func OpenAIMessagesToAnthropic(messages []map[string]any) (string, []map[string]any)

+ func OpenAIResponseToAnthropic(response map[string]any, model string) map[string]any

+ func OpenAIStreamToAnthropicSSE(chunks func() (string, bool), model string, emit func(string))

+ func OpenAIToolsToAnthropic(tools []any) []any

+ func PreferredEndpoint(supportedEndpoints []string) string

+ func RejectMaterialLoss(report Report) error

+ func ResponsesRequestToChat(payload map[string]any) ([]map[string]any, map[string]any, error)

+ func ResponsesToChat(model string, resp map[string]any) map[string]any

+ func ResponsesToChatChunks(model string, resp map[string]any) []string

+ type AnthropicMessages struct

+ Messages []map[string]any

+ System string

+ SystemBlocks []any

+ type ConversionResult struct

+ Report Report

+ Value T

+ func AnthropicRequestToOpenAIWithReport(payload map[string]any) ConversionResult[OpenAIChatRequest]

+ func AnthropicResponseToOpenAIWithReport(response map[string]any, model string) ConversionResult[map[string]any]

+ func ChatResponseToResponsesWithReport(model string, chat map[string]any) ConversionResult[map[string]any]

+ func ChatResponseToResponsesWithRequestAndReport(model string, chat map[string]any, request map[string]any) ConversionResult[map[string]any]

+ func ChatToResponsesWithReport(model string, messages []map[string]any, kw map[string]any, stream bool) ConversionResult[map[string]any]

+ func OpenAIMessagesToAnthropicWithReport(messages []map[string]any) ConversionResult[AnthropicMessages]

+ func OpenAIResponseToAnthropicWithReport(response map[string]any, model string) ConversionResult[map[string]any]

+ func ResponsesRequestToChatWithReport(payload map[string]any) (ConversionResult[OpenAIChatRequest], error)

+ func ResponsesToChatChunksWithReport(model string, response map[string]any) ConversionResult[[]string]

+ func ResponsesToChatWithReport(model string, response map[string]any) ConversionResult[map[string]any]

+ func (r ConversionResult[T]) RejectMaterialLoss() error

+ type Loss struct

+ Class LossClass

+ Detail string

+ Path string

+ Severity LossSeverity

+ type LossClass string

+ const LossApproximated

+ const LossDropped

+ const LossRenamed

+ const LossUnsupported

+ type LossSeverity string

+ const LossAdvisory

+ const LossMaterial

+ type MaterialLossError struct

+ Losses []Loss

+ func (e *MaterialLossError) Error() string

+ type OpenAIChatRequest struct

+ Keywords map[string]any

+ Messages []map[string]any

+ type Report struct

+ Losses []Loss

+ func AnthropicSSEToOpenAIChunksWithReport(lines func() (string, bool), model string, emit func(string)) Report

+ func NewReport(losses ...Loss) Report

+ func OpenAIStreamToAnthropicSSEWithReport(chunks func() (string, bool), model string, emit func(string)) Report

+ func (r Report) HasMaterialLoss() bool

+ type StreamError struct

+ Message string

+ Type string

+ func (e *StreamError) Error() string

+ type StreamOptions struct

+ IncludeUsage bool

+ type StreamReport struct

+ Completed bool

+ Err error

+ Usage Usage

+ func AnthropicSSEToOpenAIChunksWithOptions(lines func() (string, bool), model string, emit func(string), ...) *StreamReport

+ type Usage struct

+ CacheCreationInputTokens int

+ CacheReadInputTokens int

+ InputTokens int

+ OutputTokens int

+ func (u Usage) PromptTokens() int

+ func (u Usage) TotalTokens() int