Compare · ModelsLive · 2 picked · head to head
Claude Opus 5.5 vs Llama 3.1 70B Instruct
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 5.5 wins on 4/4 benchmarks
Claude Opus 5.5 wins 4 of 4 shared benchmarks. Leads in general · knowledge · math.
Category leads
general·Claude Opus 5.5knowledge·Claude Opus 5.5math·Claude Opus 5.5
Hype vs Reality
Attention vs performance
Claude Opus 5.5
#3 by perf·#7 by attention
Llama 3.1 70B Instruct
#216 by perf·#18 by attention
Best value
Llama 3.1 70B Instruct
13.2x better value than Claude Opus 5.5
Claude Opus 5.5
6.9 pts/$
$12.00/M
Llama 3.1 70B Instruct
90.7 pts/$
$0.40/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Meta AI
$1.87T·Tier 1
Head to head
4 benchmarks · 2 models
Claude Opus 5.5Llama 3.1 70B Instruct
Dtbench
Claude Opus 5.5 leads by +64.9
Claude Opus 5.5
98.2
Llama 3.1 70B Instruct
33.3
GPQA diamond
Claude Opus 5.5 leads by +61.9
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 5.5
87.5
Llama 3.1 70B Instruct
25.6
Lmca
Claude Opus 5.5 leads by +62.8
Claude Opus 5.5
80.3
Llama 3.1 70B Instruct
17.5
OTIS Mock AIME 2024-2025
Claude Opus 5.5 leads by +96.5
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 5.5
100.0
Llama 3.1 70B Instruct
3.5
Full benchmark table
| Benchmark | Claude Opus 5.5 | Llama 3.1 70B Instruct |
|---|---|---|
Dtbench | 98.2 | 33.3 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 87.5 | 25.6 |
Lmca | 80.3 | 17.5 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 3.5 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $4.00 | $20.00 | 1.0M tokens (~500 books) | $80.00 | |
| $0.40 | $0.40 | 131K tokens (~66 books) | $4.00 |
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