tokevenClaudevsGemini
Claude Haiku 4.5 vs Gemini 3.1 Pro
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Haiku 4.5
Fast / BudgetGemini 3.1 Pro
Mid-tierInput $/MTok
$1.00
$2.00
Output $/MTok
$5.00
$12.00
Cache discount
90% off
90% off
Context
200K
1,000K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
86
Code Review
70
vs
84
Summarization
82
vs
87
Q&A
86
vs
87
Extraction
88
vs
85
Reasoning
65
vs
90
Classification
90
vs
86
Creative Writing
60
vs
84
Claude Haiku 4.5
Gemini 3.1 Pro
Guidance
When to use Claude Haiku 4.5 vs Gemini 3.1 Pro
Choose Claude Haiku 4.5 when...
- -You need strong classification (confidence 90 vs 86)
- -You need strong extraction (confidence 88 vs 85)
- -Cost matters: 50% cheaper on input tokens
Choose Gemini 3.1 Pro when...
- -You need strong reasoning (confidence 90 vs 65)
- -You need strong summarization (confidence 87 vs 82)
- -You need strong q&a (confidence 87 vs 86)
- -You need strong code generation (confidence 86 vs 72)
- -You need a larger context window (1,000K vs 200K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Haiku 4.5
Gemini 3.1 Pro
100K tokens
$0.22Cheaper
$0.50
1M tokens
$2.20Cheaper
$8.20
10M tokens
$22.00Cheaper
$82.00
FAQ
When should I use Claude Haiku 4.5 instead of Gemini 3.1 Pro?
Claude Haiku 4.5 outperforms Gemini 3.1 Pro for Classification, Extraction. It costs $1.00/$5.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than Claude Haiku 4.5?
Gemini 3.1 Pro input costs $2.00/MTok, which is 100% more than Claude Haiku 4.5 at $1.00/MTok.
What are the context window sizes for Claude Haiku 4.5 and Gemini 3.1 Pro?
Claude Haiku 4.5 has a 200K token context window. Gemini 3.1 Pro has a 1,000K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Haiku 4.5 and Gemini 3.1 Pro stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.