Compare/Phi-4 Multimodal Instruct vs GPT-5.4 (Non-reasoning)

Phi-4 Multimodal InstructvsGPT-5.4 (Non-reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Microsoft

Phi-4 Multimodal Instruct

Input
$0/M
Output
$0/M
Speed
14 tok/s
TTFT
1.09s
OpenAI

GPT-5.4 (Non-reasoning)

Input
$2.5/M
Output
$15/M
Speed
62 tok/s
TTFT
0.65s

Winner by Category

Cheaper
Phi-4 Multimodal Instruct
Faster (tok/s)
GPT-5.4 (Non-reasoning)
Lower Latency
GPT-5.4 (Non-reasoning)
Benchmarks (3-7)
GPT-5.4 (Non-reasoning)

Pricing Comparison

MetricPhi-4 Multimodal InstructGPT-5.4 (Non-reasoning)
Input ($/M tokens)$0$2.5
Output ($/M tokens)$0$15
Cost for 1M input + 100K output tokens:
Phi-4 Multimodal Instruct$0.00
GPT-5.4 (Non-reasoning)$4.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Phi-4 Multimodal Instruct
14 tok/s
GPT-5.4 (Non-reasoning)
62 tok/s
Time to First Token (seconds) — lower is better
Phi-4 Multimodal Instruct
1.09s
GPT-5.4 (Non-reasoning)
0.65s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
10.035.4
Coding Index
41.0
Math Index
GPQA Diamond
31.5%74.8%
MMLU-Pro
48.5%
LiveCodeBench
13.1%
AIME 2025
MATH-500
69.3%
Humanity's Last Exam
4.4%10.6%
SciCode
11.0%47.1%
IFBench
48.4%
TerminalBench
37.9%
Phi-4 Multimodal Instruct3 wins
7 winsGPT-5.4 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Phi-4 Multimodal Instruct or GPT-5.4 (Non-reasoning)?

Phi-4 Multimodal Instruct is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $5.63/M for GPT-5.4 (Non-reasoning).

Which model performs better on benchmarks?

GPT-5.4 (Non-reasoning) wins 7 out of 12 benchmarks compared to 3 for Phi-4 Multimodal Instruct. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 (Non-reasoning) generates tokens faster at 62 tok/s vs 14 tok/s. However, GPT-5.4 (Non-reasoning) has lower time-to-first-token (0.65s vs 1.09s).

When should I use Phi-4 Multimodal Instruct vs GPT-5.4 (Non-reasoning)?

Choose based on your priorities: Phi-4 Multimodal Instruct for lower cost, GPT-5.4 (Non-reasoning) for stronger benchmark performance, and GPT-5.4 (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.