Data points: 63
The readout for Claude 3 Haiku and GPT-5.4, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 0 to 4.
Evidence depth
63 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 8 high-signal samples across speed, scores, and audit health.
Model compare Claude 3 Haiku vs GPT-5.4claude-3-haiku-vs-gpt-5-4 | Model A Claude 3 Haiku | Model B GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 4 wins |
| Where it leads | No data | Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | Claude 3 Haiku exposes 200K tokens; notable signals: Text input, Image input, Text output, Tool calling. | GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | Anthropic | OpenAI |
| Context window | 200K tokens | 1.1M tokens |
| Max output | 4.1K tokens | 128K tokens |
| Released | Mar 2024 | Mar 2026 |
| Modalities | Input TextImage Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputText outputTool calling | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | 2023-08-31 | No data |
| OpenRouter ID | anthropic/claude-3-haiku | openai/gpt-5.4 |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude 3 Haiku | GPT-5.4 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude 3 Haiku | GPT-5.4 |
|---|---|---|
| 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 3 Haiku | GPT-5.4 |
|---|---|---|
AASS API0 tests | Claude 3 Haiku speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
AIGCBAR0 tests | Claude 3 Haiku speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
AIO通用智能服务平台0 tests | Claude 3 Haiku speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
ModelPool0 tests | Claude 3 Haiku claude-3-haiku-20240307 speed / latency N/A / N/A input / output $0.021/M / $0.107/M | GPT-5.4 gpt-5.4 speed / latency N/A / N/A input / output $0.429/M / $3.43/M |
MonkingAI0 tests | Claude 3 Haiku speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
Claude 3 Haiku claude-3-haiku-20240307 speed / latency No data input / output $0.034/M / $0.171/M | GPT-5.4 gpt-5.4-2026-03-05 speed / latency No data input / output $0.342/M / $2.05/M | |
Claude 3 Haiku claude-3-haiku-20240307 speed / latency No data input / output $0.034/M / $0.171/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $10.27/M / $61.64/M | |
Claude 3 Haiku claude-3-haiku-20241022 speed / latency No data input / output $0.034/M / $0.171/M | GPT-5.4 gpt-5.4-openai-compact speed / latency No data input / output $10.27/M / $61.64/M |
This report only uses LMSpeed data for Claude 3 Haiku and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude 3 Haiku | GPT-5.4 |
|---|---|---|
| When to choose each model | Claude 3 Haiku Claude 3 Haiku does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.4 leads across 63 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude 3 Haiku vs GPT-5.4 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
