Claude 3.5 Haiku vs Gemini 3.1 Pro Preview Custom Tools
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude 3.5 Haiku and Gemini 3.1 Pro Preview Custom Tools.
Claude 3.5 Haiku
Claude 3.5 Haiku is the fast, cost-efficient member of the Claude 3.5 model family from Anthropic, built to deliver strong performance for coding, text processing, and multi-turn conversation at minimal inference cost. With a 200,000-token context window and pricing at $0.80/MTok for input, it is optimized for high-throughput, latency-sensitive production applications such as real-time chat interfaces, code completion tools, and classification systems. While smaller than its Sonnet and Opus siblings, Claude 3.5 Haiku retains Anthropic's strong alignment and safety properties, making it a reliable choice for consumer-facing AI features.
Gemini 3.1 Pro Preview Custom Tools
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...
Technical Specifications
| Specification | Claude 3.5 Haiku | Gemini 3.1 Pro Preview Custom Tools |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 200,000 tokens | 1,048,756 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | N/A | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2024-11-04 | 2026-02-25 |
API Pricing Comparison
Input Price per Million Tokens
Claude 3.5 Haiku
$0.80
Gemini 3.1 Pro Preview Custom Tools
$2.00
Output Price per Million Tokens
Claude 3.5 Haiku
$4.00
Gemini 3.1 Pro Preview Custom Tools
$12.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude 3.5 Haiku Quirks & Gotchas
No developer gotchas reported.
Gemini 3.1 Pro Preview Custom Tools Quirks & Gotchas
No developer gotchas reported.