Data points: 77
Model compare
The readout for Claude Haiku 4.5 and GPT-4, before the detailed comparison sheet.
Weighted outcome: GPT-4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-4
GPT-4 has the higher weighted result; Model A / B score 12 to 88.
Evidence depth
77 data points
Includes 6 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-4
The charts below split 13 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Claude Haiku 4.5 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Haiku 4.5 | GPT-4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 12.0 pts | 88.0 pts |
| Benchmark category leads | 0 categories | 1 categories |
| Operational advantages | Cheapest input price, Average speed, Provider coverage | First-token latency, Free providers |
| Context window | 200K tokens | 8.2K tokens |
| Max output | 64K tokens | 4.1K tokens |
| Modalities | Input TextImageFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Claude Haiku 4.5 | GPT-4 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Oct 2025 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-haiku-4.5 | openai/gpt-4 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Haiku 4.5 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Haiku 4.5
Claude Haiku 4.5 has these operational advantages: Cheapest input price, Average speed, Provider coverage.
GPT-4
GPT-4 is stronger in benchmark categories (Coding) and operational dimensions (First-token latency, Free providers).
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Haiku 4.5
49.6
Avg. score
GPT-4
49.5
Claude Haiku 4.5
GPT-4 leads by 2.0
Claude Haiku 4.5
Claude Haiku 4.5
Claude Haiku 4.5
Claude Haiku 4.5
Claude Haiku 4.5
Claude Haiku 4.5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Haiku 4.5
winner0.80 s
Rank #28/139 · confidence 4
GPT-4
0.87 s
Rank #29/139 · confidence 4
Claude Haiku 4.5
winner0.80 s
Rank #40/139 · confidence 4
GPT-4
0.87 s
Rank #44/139 · confidence 4
Claude Haiku 4.5
winner97.3 tok/s
Rank #65/139 · confidence 4
GPT-4
37.0 tok/s
Rank #130/139 · confidence 4
Claude Haiku 4.5
winner$1.00/M
Rank #100/163 · confidence 4
GPT-4
$30.00/M
Rank #161/163 · confidence 4
Claude Haiku 4.5
winner$2.00/M
Rank #103/163 · confidence 4
GPT-4
$37.50/M
Rank #161/163 · confidence 4
Claude Haiku 4.5
winner$5.00/M
Rank #106/163 · confidence 4
GPT-4
$60.00/M
Rank #156/163 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Haiku 4.5 | GPT-4 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Haiku 4.5 | GPT-4 |
|---|---|---|
15 tests | Claude Haiku 4.5 speed / latency 112 tok/s / 1733ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Haiku 4.5 speed / latency 109 tok/s / 2221ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Haiku 4.5 speed / latency 160 tok/s / 2639ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Haiku 4.5 speed / latency 139 tok/s / 12443ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
5 tests | Claude Haiku 4.5 speed / latency 141 tok/s / 1922ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
Claude Haiku 4.5 claude-haiku-4-5-20251001 speed / latency No data input / output $0/request | GPT-4 gpt-4-32k speed / latency No data input / output $0/request | |
Claude Haiku 4.5 claude-haiku-4-5-c speed / latency No data input / output $0.0068/request | GPT-4 gpt-4 speed / latency No data input / output $55.89/M |
Weighted outcome: GPT-4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
