Leaderboard · Compare · Phi-4 vs Llama 3.3 70B Instruct · Updated
Phi-4 vs Llama 3.3 70B Instruct
Phi-4 edges out Llama 3.3 70B Instruct on the composite (71.2 vs 64.7). The gap is meaningful but not decisive — see the per-benchmark breakdown below.
At a glance
| Spec | Phi-4 | Llama 3.3 70B Instruct |
|---|---|---|
| Provider | Microsoft | Meta |
| Released | 2024-12 | 2024-12 |
| Tier | open-weights | open-weights |
| License | Open · MIT | Open · Llama 3.3 Community License |
| Context window | 16.384k | 128k |
| $ in / out (per 1M) | $0.07 / $0.14 | $0.23 / $0.40 |
Benchmark scoreboard
Higher is better on every benchmark. Δ shows Phi-4 − Llama 3.3 70B Instruct.
| Benchmark | Phi-4 | Llama 3.3 70B Instruct | Δ |
|---|---|---|---|
| Chatbot Arena Elo | N/A | 1257 | — |
| MMLU-Pro | 70.4 | 68.9 | +1.5 |
| GPQA Diamond | 56.1 | 50.5 | +5.6 |
| MATH | 80.4 | 77.0 | +3.4 |
| HumanEval | 82.6 | 88.4 | -5.8 |
| SWE-Bench Verified | N/A | N/A | — |
Numbers compiled from provider technical reports and Chatbot Arena snapshots — see methodology.
OpenRouter routes Phi-4, Llama 3.3 70B Instruct, and 100+ other LLMs behind a single API key — pay-as-you-go, no monthly minimum, fallback if a provider is down. Try OpenRouter → (affiliate · supports this site)
Phi-4 vs Llama 3.3 70B Instruct: where each one wins
Phi-4 is stronger on
- MMLU-Pro
- GPQA
- MATH
Llama 3.3 70B Instruct is stronger on
- HumanEval
Cost comparison
At 10M tokens/day (50/50 split), Phi-4 costs ~$1.05/day vs $3.15/day for Llama 3.3 70B Instruct — Phi-4 is the cheaper pick at this volume.
Verdict
Phi-4 edges out Llama 3.3 70B Instruct on the composite (71.2 vs 64.7). The gap is meaningful but not decisive — see the per-benchmark breakdown below.
If you can only pick one and your workload is unclear, route via OpenRouter and switch by request — same key, no lock-in.
Frequently asked questions
Which is better, Phi-4 or Llama 3.3 70B Instruct?
Phi-4 edges out Llama 3.3 70B Instruct on the composite (71.2 vs 64.7). The gap is meaningful but not decisive — see the per-benchmark breakdown below. Phi-4 wins on MMLU-Pro, GPQA, MATH; Llama 3.3 70B Instruct wins on HumanEval.
What does Phi-4 cost compared to Llama 3.3 70B Instruct?
At 10M tokens/day (50/50 split), Phi-4 costs ~$1.05/day vs $3.15/day for Llama 3.3 70B Instruct — Phi-4 is the cheaper pick at this volume.
What is the context window of Phi-4 vs Llama 3.3 70B Instruct?
Phi-4: 16.384k tokens. Llama 3.3 70B Instruct: 128k tokens. Llama 3.3 70B Instruct has the larger window — useful for long-document RAG and full-codebase prompting.
Is Phi-4 or Llama 3.3 70B Instruct open source?
Phi-4: open weights (MIT). Llama 3.3 70B Instruct: open weights (Llama 3.3 Community License).
Can I try Phi-4 and Llama 3.3 70B Instruct on the same API key?
Yes — OpenRouter routes both models behind a single key, so you can A/B test Phi-4 against Llama 3.3 70B Instruct without juggling provider accounts.
Model deep-dives: Phi-4 · Llama 3.3 70B Instruct · Full leaderboard
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