diff --git a/llm/oai/oai_test.go b/llm/oai/oai_test.go
new file mode 100644
index 0000000..73ab4fa
--- /dev/null
+++ b/llm/oai/oai_test.go
@@ -0,0 +1,102 @@
+package oai
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"strings"
+	"testing"
+	"time"
+
+	"sketch.dev/llm"
+)
+
+// mockRoundTripper is a mock HTTP round tripper that can simulate TLS errors
+type mockRoundTripper struct {
+	callCount      int
+	errorOnAttempt []int // which attempts should return TLS errors
+}
+
+func (m *mockRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
+	m.callCount++
+
+	// Check if this attempt should return a TLS error
+	for _, errorAttempt := range m.errorOnAttempt {
+		if m.callCount == errorAttempt {
+			return nil, errors.New(`Post "https://api.fireworks.ai/inference/v1/chat/completions": remote error: tls: bad record MAC`)
+		}
+	}
+
+	// Simulate timeout for other cases to avoid actual HTTP calls
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Millisecond)
+	defer cancel()
+	<-ctx.Done()
+	return nil, ctx.Err()
+}
+
+func TestTLSBadRecordMACRetry(t *testing.T) {
+	tests := []struct {
+		name           string
+		errorOnAttempt []int
+		expectedCalls  int
+		shouldSucceed  bool
+	}{
+		{
+			name:           "first attempt succeeds",
+			errorOnAttempt: []int{}, // no TLS errors
+			expectedCalls:  1,
+			shouldSucceed:  false, // will timeout, but that's expected for this test
+		},
+		{
+			name:           "first attempt fails with TLS error, second succeeds",
+			errorOnAttempt: []int{1}, // TLS error on first attempt
+			expectedCalls:  2,
+			shouldSucceed:  false, // will timeout on second attempt
+		},
+		{
+			name:           "both attempts fail with TLS error",
+			errorOnAttempt: []int{1, 2}, // TLS error on both attempts
+			expectedCalls:  2,
+			shouldSucceed:  false, // should fail after second TLS error
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			mockRT := &mockRoundTripper{
+				errorOnAttempt: tt.errorOnAttempt,
+			}
+			mockClient := &http.Client{
+				Transport: mockRT,
+			}
+
+			service := &Service{
+				HTTPC:  mockClient,
+				Model:  Qwen3CoderFireworks,
+				APIKey: "test-key",
+			}
+
+			req := &llm.Request{
+				Messages: []llm.Message{
+					{Role: llm.MessageRoleUser, Content: []llm.Content{{Type: llm.ContentTypeText, Text: "test"}}},
+				},
+			}
+
+			_, err := service.Do(context.Background(), req)
+
+			// Verify the expected number of calls were made
+			if mockRT.callCount != tt.expectedCalls {
+				t.Errorf("expected %d calls, got %d", tt.expectedCalls, mockRT.callCount)
+			}
+
+			// For TLS error cases, verify the error message contains both attempts
+			if len(tt.errorOnAttempt) > 1 {
+				if err == nil {
+					t.Error("expected error after multiple TLS failures")
+				} else if !strings.Contains(err.Error(), "tls: bad record MAC") {
+					t.Errorf("expected error to contain TLS error message, got: %v", err)
+				}
+			}
+		})
+	}
+}