Anthropic Claude Haiku Latest vs GPT-5.4 Pro
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 Anthropic Claude Haiku Latest and GPT-5.4 Pro.
Anthropic Claude Haiku Latest
This model always redirects to the latest model in the Anthropic Claude Haiku family.
GPT-5.4 Pro
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...
Technical Specifications
| Specification | Anthropic Claude Haiku Latest | GPT-5.4 Pro |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 200,000 tokens | 1,050,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-04-27 | 2026-03-05 |
API Pricing Comparison
Input Price per Million Tokens
Anthropic Claude Haiku Latest
$1.00
GPT-5.4 Pro
$30.00
Output Price per Million Tokens
Anthropic Claude Haiku Latest
$5.00
GPT-5.4 Pro
$180.00
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Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Anthropic Claude Haiku Latest Quirks & Gotchas
No developer gotchas reported.
GPT-5.4 Pro Quirks & Gotchas
No developer gotchas reported.