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fix(codex): omit max_output_tokens for chatgpt codex backend

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This commit is contained in:
qiaoborui 2026-02-16 16:51:15 +08:00
parent 17685da584
commit f34651a1e8
2 changed files with 7 additions and 3 deletions
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5
pkg/providers/codex_provider.go
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@ -260,9 +260,8 @@ func buildCodexParams(messages []Message, tools []ToolDefinition, model string,
params.Instructions = openai.Opt(defaultCodexInstructions)
}
if maxTokens, ok := options["max_tokens"].(int); ok {
params.MaxOutputTokens = openai.Opt(int64(maxTokens))
}
// ChatGPT Codex backend currently rejects max_output_tokens with 400.
// Keep token budgeting at the agent layer for this provider.
if len(tools) > 0 {
params.Tools = translateToolsForCodex(tools)

5
pkg/providers/codex_provider_test.go
View file

@ -29,6 +29,9 @@ func TestBuildCodexParams_BasicMessage(t *testing.T) {
if params.Instructions.Or("") != defaultCodexInstructions {
t.Errorf("Instructions = %q, want %q", params.Instructions.Or(""), defaultCodexInstructions)
}
if params.MaxOutputTokens.Valid() {
t.Errorf("MaxOutputTokens should be omitted for codex backend, got %d", params.MaxOutputTokens.Or(0))
}
}
func TestBuildCodexParams_SystemAsInstructions(t *testing.T) {
@ -423,6 +426,8 @@ func TestResolveCodexModel(t *testing.T) {
{name: "empty", input: "", wantModel: codexDefaultModel, wantFallback: true},
{name: "unsupported namespace", input: "anthropic/claude-3.5", wantModel: codexDefaultModel, wantFallback: true},
{name: "non-openai prefixed", input: "glm-4.7", wantModel: codexDefaultModel, wantFallback: true},
{name: "codex alias", input: "gpt-5.3-codex", wantModel: "gpt-5.3-codex", wantFallback: false},
{name: "codex alias with openai prefix", input: "openai/gpt-5.3-codex", wantModel: "gpt-5.3-codex", wantFallback: false},
{name: "openai prefix", input: "openai/gpt-5.2", wantModel: "gpt-5.2", wantFallback: false},
{name: "direct gpt", input: "gpt-4o", wantModel: "gpt-4o", wantFallback: false},
}