Looking for an honest OpenAI GPT-4.5 vs Meta Llama 4 Maverick comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Meta Llama 4 Maverick comes out ahead 51/100 to 79/100 — a 28-point gap. The widest gap is in battery life, where the Meta Llama 4 Maverick pulls noticeably ahead.
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Meta Llama 4 Maverick clearly outperforms the OpenAI GPT-4.5 in the ai language models category, especially in value, scoring 79 vs 51. If you want the better overall ai language models, Meta Llama 4 Maverick is the recommended choice.
✓ Pros
✗ Cons
✓ Pros
Lower cost = better value. Free = open-source self-hosted.
| Metric | OpenAI GPT-4.5 | 4 Maverick |
|---|---|---|
| Input (Prompt) | $75.00/1M | ✓Free/1M |
| Output (Completion) | $150.00/1M | ✓Free/1M |
| Open Source | Proprietary | ✓ Free |
Context Window (tokens)
| Metric | OpenAI GPT-4.5 | 4 Maverick |
|---|---|---|
| Max Output | 16,384 tok | 16,384 tok |
| Speed | 50 tok/s | ✓80 tok/s |
| Time to First Token | 900ms | ✓800ms |
| Languages | ✓50+ | 12+ |
Higher is better. Industry-standard AI evaluation benchmarks.
OpenAI GPT-4.5
4 Maverick
OpenAI GPT-4.5
4 Maverick
OpenAI GPT-4.5
4 Maverick
OpenAI GPT-4.5
4 Maverick
OpenAI GPT-4.5
4 Maverick
| Feature | OpenAI GPT-4.5 | 4 Maverick |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✓ | ✓ |
| Audio Input | ✕ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✕ | ✓ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✓ |
| Field | OpenAI GPT-4.5 | 4 Maverick |
|---|---|---|
| Provider | OpenAI | Meta |
| Parameters | — | 400B (17B active) |
| Knowledge Cutoff | 2024-09 | 2025-03 |
| License | Commercial | Llama 4 Community |
| Best For | creative writingemotional intelligenceconversationnuanced tasks | open sourcemultimodalcodinggeneral |
Buy OpenAI GPT-4.5 if…
The OpenAI GPT-4.5 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Meta Llama 4 Maverick if…
Buy the Meta Llama 4 Maverick if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Meta Llama 4 Maverick clearly outperforms the OpenAI GPT-4.5 in the ai language models category, especially in value, scoring 79 vs 51. If you want the better overall ai language models, Meta Llama 4 Maverick is the recommended choice.
No, Meta Llama 4 Maverick scores higher (75 vs 75).
Check the latest prices using the buy links above.
The OpenAI GPT-4.5 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the Meta Llama 4 Maverick if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Reviewed by VersusMatrix Editorial Team
Last updated: April 28, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.