tokevenCost Calculator
How much does unit test generation cost?
Compare 14 AI models for unit test generation. Prices shown at 10K calls/month with default token counts.
Code generation tasks send a natural language prompt and receive executable code back. Token usage tends to be input-heavy with system instructions and added context. Output scales with the complexity of the code the model generates.
Recommendations
Top picks for unit test generation
Best quality
Claude Opus 4.8
95/100 confidence
Best value
Claude Sonnet 5
93/100 confidence · $140/mo
Budget pick
Gemini 3 Flash
65/100 confidence · $40/mo
Claude Opus 4.8#1
Claude
$5.00
$25.00
95
$350
Claude Fable 5#1
Claude
$10.00
$50.00
96
$700
GPT 5.6 Sol#1
GPT
$5.00
$30.00
94
$400
Claude Sonnet 4.6
Claude
$3.00
$15.00
92
$210
Claude Sonnet 5
Claude
$2.00
$10.00
93
$140
GPT 5.5
GPT
$5.00
$30.00
91
$400
GPT 5.4
GPT
$2.50
$15.00
84
$200
GPT 5.6 Terra
GPT
$2.50
$15.00
86
$200
Gemini 3.1 Pro
Gemini
$2.00
$12.00
86
$160
Claude Haiku 4.5
Claude
$1.00
$5.00
72
$70
GPT 5.6 Luna
GPT
$1.00
$6.00
70
$80
Gemini 3.5 Flash
Gemini
$1.50
$9.00
68
$120
Gemini 3 Flash
Gemini
$0.50
$3.00
65
$40
Gemini 3.5 Flash-LiteCheapest
Gemini
$0.25
$1.50
55
$20
Monthly estimates assume 3,000 input / 5,000 output tokens per call. Use the detailed page for custom calculations.
See your real unit test generation costs
These are estimates based on published rates. Track your real spend with the free dashboard.