GPT-5.4 minivsHaiku 4.5
Across 7 shared benchmarks, GPT-5.4 mini leads overall: GPT-5.4 mini wins 4, Haiku 4.5 wins 2, with 1 ties and an average score difference of +10.52.
GPT-5.4 mini
OpenAI · 2026-03-17 · Reasoning model
Haiku 4.5
Anthropic · 2025-10-15 · Multimodal model
GPT-5.4 mini4 wins(57%)Ties1(29%)2 winsHaiku 4.5
Benchmark scores
Grouped by capability, sorted by largest gap within each. 7 shared benchmarks.
General Knowledge
GPT-5.4 mini 2/3| Benchmark | GPT-5.4 mini | Haiku 4.5 | Diff |
|---|---|---|---|
| HLE | 41.5057 / 172极高强度思考（工具） | 4.30170 / 172Normal (No Tools) | +37.20 |
| GPQA Diamond | 8835 / 187极高强度思考（无工具） | 60.50144 / 187Normal (No Tools) | +27.50 |
| LiveBench | 36.95112 / 115Normal (No Tools) | 45.33103 / 115Normal (No Tools) | -8.38 |
AI Agent - Tool Usage
GPT-5.4 mini 1/1| Benchmark | GPT-5.4 mini | Haiku 4.5 | Diff |
|---|---|---|---|
| MCP-Atlas | 56.7024 / 27极高强度思考（工具） | 40.2027 / 27Normal (With Tools) | +16.50 |
Claw-style Agent Evaluation
Haiku 4.5 1/1| Benchmark | GPT-5.4 mini | Haiku 4.5 | Diff |
|---|---|---|---|
| Claw Bench | 75.3025 / 29Thinking (With Tools) | 89.4011 / 29Thinking (With Tools) | -14.10 |
Coding and Software Engineer
GPT-5.4 mini 1/1| Benchmark | GPT-5.4 mini | Haiku 4.5 | Diff |
|---|---|---|---|
| SWE-Bench Pro - Public | 54.4029 / 54极高强度思考（工具） | 39.4551 / 54Extended (with tools) | +14.95 |
Math and Reasoning
Even 1/1| Benchmark | GPT-5.4 mini | Haiku 4.5 | Diff |
|---|---|---|---|
| FrontierMath - Tier 4 | 2.1056 / 80Thinking High (No Tools) | 2.1056 / 80Thinking (No Tools, 32K Budget) | — |
Specs
| Field | GPT-5.4 mini | Haiku 4.5 |
|---|---|---|
| Publisher | OpenAI | Anthropic |
| Release date | 2026-03-17 | 2025-10-15 |
| Model type | Reasoning model | Multimodal model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 400K | 200K |
| Max output | 128K | 64K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | GPT-5.4 mini | Haiku 4.5 |
|---|---|---|
| Text input | $0.75 / 1M tokens | $1 / 1M tokens |
| Text output | $4.5 / 1M tokens | $5 / 1M tokens |
| Cache read | $4.5 / 1M tokens | $0.1 / 1M tokens |
| Cache write | $0.075 / 1M tokens | $1.25 / 1M tokens |
Summary
- GPT-5.4 minileads in:General Knowledge (2/3), AI Agent - Tool Usage (1/1), Coding and Software Engineer (1/1)
- Haiku 4.5leads in:Claw-style Agent Evaluation (1/1)
- Tied in:Math and Reasoning
On average across the 7 shared benchmarks, GPT-5.4 mini scores 10.52 higher.
Largest single-benchmark gap: HLE — GPT-5.4 mini 41.50 vs Haiku 4.5 4.30 (+37.20).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.