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26 changes: 26 additions & 0 deletions genai/count_tokens/count_tokens_examples_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -81,4 +81,30 @@ func TestTextGeneration(t *testing.T) {
t.Error("expected non-empty output, got empty")
}
})

t.Run("count local tokens with text input", func(t *testing.T) {
buf.Reset()
err := countTokenLocalWithTxt(buf)
if err != nil {
t.Fatalf("countTokenLocalWithTxt failed: %v", err)
}

output := buf.String()
if output == "" {
t.Error("expected non-empty output, got empty")
}
})

t.Run("compute local tokens with text input", func(t *testing.T) {
buf.Reset()
err := countTokenLocalComputeWithTxt(buf)
if err != nil {
t.Fatalf("countTokenLocalComputeWithTxt failed: %v", err)
}

output := buf.String()
if output == "" {
t.Error("expected non-empty output, got empty")
}
})
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,60 @@
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package count_tokens shows examples of counting tokens using the GenAI SDK.
package count_tokens

// [START googlegenaisdk_counttoken_localtokenizer_compute_with_txt]
import (
"fmt"
"io"

"google.golang.org/genai"
"google.golang.org/genai/tokenizer"
)

// countTokenLocalComputeWithTxt shows how to compute tokens using the local tokenizer with text input.
func countTokenLocalComputeWithTxt(w io.Writer) error {
modelName := "gemini-2.5-flash"
client, err := tokenizer.NewLocalTokenizer(modelName)
if err != nil {
return fmt.Errorf("failed to create local tokenizer: %w", err)
}

contents := []*genai.Content{
{Parts: []*genai.Part{
{Text: "What's the longest word in the English language?"},
}},
}

resp, err := client.ComputeTokens(contents)
if err != nil {
return fmt.Errorf("failed to compute tokens: %w", err)
}

for _, tokenInfo := range resp.TokensInfo {
fmt.Fprintf(w, "Role: %s\n", tokenInfo.Role)
fmt.Fprintf(w, "Token IDs: %v\n", tokenInfo.TokenIDs)
fmt.Fprintf(w, "Tokens: %v\n", tokenInfo.Tokens)
}

// Example response:
// Role: user
// Token IDs: [3689 236789 236751 506 27801 3658 528 506 5422 5192 236881]
// Tokens: [[87 104 97 116] [39] [115] ...

return nil
}

// [END googlegenaisdk_counttoken_localtokenizer_compute_with_txt]
54 changes: 54 additions & 0 deletions genai/count_tokens/counttoken_localtokenizer_with_txt.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package count_tokens shows examples of counting tokens using the GenAI SDK.
package count_tokens

// [START googlegenaisdk_counttoken_localtokenizer_with_txt]
import (
"fmt"
"io"

"google.golang.org/genai"
"google.golang.org/genai/tokenizer"
)

// countTokenLocalWithTxt shows how to count tokens using the local tokenizer with text input.
func countTokenLocalWithTxt(w io.Writer) error {
modelName := "gemini-2.5-flash"
client, err := tokenizer.NewLocalTokenizer(modelName)
if err != nil {
return fmt.Errorf("failed to create local tokenizer: %w", err)
}

contents := []*genai.Content{
{Parts: []*genai.Part{
{Text: "What's the highest mountain in Africa?"},
}},
}

resp, err := client.CountTokens(contents, nil)
if err != nil {
return fmt.Errorf("failed to count tokens: %w", err)
}

fmt.Fprintf(w, "Total: %d\n", resp.TotalTokens)

// Example response:
// Total: 9

return nil
}

// [END googlegenaisdk_counttoken_localtokenizer_with_txt]
12 changes: 6 additions & 6 deletions genai/go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ go 1.24.0
require (
github.com/GoogleCloudPlatform/golang-samples v0.0.0-20250201051611-5fb145d1e974
golang.org/x/oauth2 v0.25.0
google.golang.org/genai v1.17.0
google.golang.org/genai v1.35.0
)

require (
Expand Down Expand Up @@ -43,11 +43,11 @@ require (
go.opentelemetry.io/otel/sdk v1.34.0 // indirect
go.opentelemetry.io/otel/sdk/metric v1.34.0 // indirect
go.opentelemetry.io/otel/trace v1.34.0 // indirect
golang.org/x/crypto v0.32.0 // indirect
golang.org/x/net v0.34.0 // indirect
golang.org/x/sync v0.10.0 // indirect
golang.org/x/sys v0.29.0 // indirect
golang.org/x/text v0.21.0 // indirect
golang.org/x/crypto v0.36.0 // indirect
golang.org/x/net v0.38.0 // indirect
golang.org/x/sync v0.12.0 // indirect
golang.org/x/sys v0.31.0 // indirect
golang.org/x/text v0.23.0 // indirect
golang.org/x/time v0.9.0 // indirect
google.golang.org/api v0.217.0 // indirect
google.golang.org/genproto v0.0.0-20250115164207-1a7da9e5054f // indirect
Expand Down
24 changes: 12 additions & 12 deletions genai/go.sum
Original file line number Diff line number Diff line change
Expand Up @@ -97,24 +97,24 @@ go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce
go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
golang.org/x/oauth2 v0.25.0 h1:CY4y7XT9v0cRI9oupztF8AgiIu99L/ksR/Xp/6jrZ70=
golang.org/x/oauth2 v0.25.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
golang.org/x/time v0.9.0 h1:EsRrnYcQiGH+5FfbgvV4AP7qEZstoyrHB0DzarOQ4ZY=
golang.org/x/time v0.9.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
google.golang.org/api v0.217.0 h1:GYrUtD289o4zl1AhiTZL0jvQGa2RDLyC+kX1N/lfGOU=
google.golang.org/api v0.217.0/go.mod h1:qMc2E8cBAbQlRypBTBWHklNJlaZZJBwDv81B1Iu8oSI=
google.golang.org/genai v1.17.0 h1:lXYSnWShPYjxTouxRj0zF8RsNmSF+SKo7SQ7dM35NlI=
google.golang.org/genai v1.17.0/go.mod h1:QPj5NGJw+3wEOHg+PrsWwJKvG6UC84ex5FR7qAYsN/M=
google.golang.org/genai v1.35.0 h1:Jo6g25CzVqFzGrX5mhWyBgQqXAUzxcx5jeK7U74zv9c=
google.golang.org/genai v1.35.0/go.mod h1:A3kkl0nyBjyFlNjgxIwKq70julKbIxpSxqKO5gw/gmk=
google.golang.org/genproto v0.0.0-20250115164207-1a7da9e5054f h1:387Y+JbxF52bmesc8kq1NyYIp33dnxCw6eiA7JMsTmw=
google.golang.org/genproto v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:0joYwWwLQh18AOj8zMYeZLjzuqcYTU3/nC5JdCvC3JI=
google.golang.org/genproto/googleapis/api v0.0.0-20250115164207-1a7da9e5054f h1:gap6+3Gk41EItBuyi4XX/bp4oqJ3UwuIMl25yGinuAA=
Expand Down