Leaderboard · Compare · Llama 3.3 70B Instruct vs DeepSeek V3 · Updated
Llama 3.3 70B Instruct vs DeepSeek V3
DeepSeek V3 edges out Llama 3.3 70B Instruct on the composite (68.0 vs 64.7). The gap is meaningful but not decisive — see the per-benchmark breakdown below.
At a glance
| Spec | Llama 3.3 70B Instruct | DeepSeek V3 |
|---|---|---|
| Provider | Meta | DeepSeek |
| Released | 2024-12 | 2024-12 |
| Tier | open-weights | open-weights |
| License | Open · Llama 3.3 Community License | Open · DeepSeek License |
| Context window | 128k | 128k |
| $ in / out (per 1M) | $0.23 / $0.40 | $0.27 / $1.10 |
Benchmark scoreboard
Higher is better on every benchmark. Δ shows Llama 3.3 70B Instruct − DeepSeek V3.
| Benchmark | Llama 3.3 70B Instruct | DeepSeek V3 | Δ |
|---|---|---|---|
| Chatbot Arena Elo | 1257 | 1320 | -63 |
| MMLU-Pro | 68.9 | 75.9 | -7.0 |
| GPQA Diamond | 50.5 | 59.1 | -8.6 |
| MATH | 77.0 | 90.2 | -13.2 |
| HumanEval | 88.4 | 91.0 | -2.6 |
| SWE-Bench Verified | N/A | 42.0 | — |
Numbers compiled from provider technical reports and Chatbot Arena snapshots — see methodology.
OpenRouter routes Llama 3.3 70B Instruct, DeepSeek V3, 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)
Llama 3.3 70B Instruct vs DeepSeek V3: where each one wins
Llama 3.3 70B Instruct is stronger on
No benchmarks where Llama 3.3 70B Instruct beats DeepSeek V3 with comparable data.
DeepSeek V3 is stronger on
- Arena
- MMLU-Pro
- GPQA
- MATH
- HumanEval
Cost comparison
At 10M tokens/day (50/50 split), Llama 3.3 70B Instruct costs ~$3.15/day vs $6.85/day for DeepSeek V3 — Llama 3.3 70B Instruct is the cheaper pick at this volume.
Verdict
DeepSeek V3 edges out Llama 3.3 70B Instruct on the composite (68.0 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, Llama 3.3 70B Instruct or DeepSeek V3?
DeepSeek V3 edges out Llama 3.3 70B Instruct on the composite (68.0 vs 64.7). The gap is meaningful but not decisive — see the per-benchmark breakdown below. Llama 3.3 70B Instruct wins on no benchmarks; DeepSeek V3 wins on Arena, MMLU-Pro, GPQA, MATH, HumanEval.
What does Llama 3.3 70B Instruct cost compared to DeepSeek V3?
At 10M tokens/day (50/50 split), Llama 3.3 70B Instruct costs ~$3.15/day vs $6.85/day for DeepSeek V3 — Llama 3.3 70B Instruct is the cheaper pick at this volume.
What is the context window of Llama 3.3 70B Instruct vs DeepSeek V3?
Llama 3.3 70B Instruct: 128k tokens. DeepSeek V3: 128k tokens.
Is Llama 3.3 70B Instruct or DeepSeek V3 open source?
Llama 3.3 70B Instruct: open weights (Llama 3.3 Community License). DeepSeek V3: open weights (DeepSeek License).
Can I try Llama 3.3 70B Instruct and DeepSeek V3 on the same API key?
Yes — OpenRouter routes both models behind a single key, so you can A/B test Llama 3.3 70B Instruct against DeepSeek V3 without juggling provider accounts.
Model deep-dives: Llama 3.3 70B Instruct · DeepSeek V3 · Full leaderboard
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