Key Takeaways
Claude 3 Haiku wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
GPT-5.2 Pro wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Claude 3 Haiku
Benchmark Advantage
GPT-5.2 Pro
Context Window
GPT-5.2 Pro
Speed
Claude 3 Haiku
Pricing Comparison
Price Comparison
| Metric | Claude 3 Haiku | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.25 | $21.00 | Claude 3 Haiku |
| Output (per 1M tokens) | $1.25 | $168.00 | Claude 3 Haiku |
| Cache Read (per 1M) | $30000.00 | N/A | Claude 3 Haiku |
| Cache Write (per 1M) | $300000.00 | N/A | Claude 3 Haiku |
Using a 3:1 input/output ratio, Claude 3 Haiku is 99% cheaper overall.
Claude 3 Haiku Providers
Vercel $0.25 (Cheapest)
Amazon Bedrock $0.25 (Cheapest)
Google $0.25 (Cheapest)
Anthropic $0.25 (Cheapest)
GPT-5.2 Pro Providers
OpenAI $21.00 (Cheapest)
Benchmark Comparison
8
Benchmarks Compared
0
Claude 3 Haiku Wins
2
GPT-5.2 Pro Wins
Benchmark Scores
| Benchmark | Claude 3 Haiku | GPT-5.2 Pro | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 9.3 | 51.2 | |
Coding Index Code generation & understanding | - | 48.7 | - |
Math Index Mathematical reasoning | - | 99.0 | - |
MMLU Pro Academic knowledge | - | 87.4 | - |
GPQA Graduate-level science | - | 90.3 | - |
LiveCodeBench Competitive programming | 15.4 | 88.9 | |
Aider Real-world code editing | 47.4 | - | - |
AIME Competition math | 1.0 | - | - |
GPT-5.2 Pro significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
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Other models
Context & Performance
Context Window
Claude 3 Haiku
200,000
tokens
Max output: 4,096 tokens
GPT-5.2 Pro
400,000
tokens
Max output: 128,000 tokens
GPT-5.2 Pro has a 50% larger context window.
Speed Performance
| Metric | Claude 3 Haiku | GPT-5.2 Pro | Winner |
|---|---|---|---|
| Tokens/second | 111.9 tok/s | 98.3 tok/s | |
| Time to First Token | 0.41s | 46.57s |
Claude 3 Haiku responds 14% faster on average.
Capabilities
Feature Comparison
| Feature | Claude 3 Haiku | GPT-5.2 Pro |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude 3 Haiku | GPT-5.2 Pro |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | OpenAI |
| Released | Mar 2024 | Dec 2025 |
Claude 3 Haiku Modalities
Input
textimage
Output
text
GPT-5.2 Pro Modalities
Input
imagetextfile
Output
text