Compare · ModelsLive · 2 picked · head to head
Claude Opus 5.5 vs Mixtral 8x7B Instruct
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 5.5 wins on 1/1 benchmarks
Claude Opus 5.5 wins 1 of 1 shared benchmarks. Leads in knowledge.
Category leads
knowledge·Claude Opus 5.5
Hype vs Reality
Attention vs performance
Claude Opus 5.5
#3 by perf·#9 by attention
Mixtral 8x7B Instruct
#58 by perf·no signal
Best value
Mixtral 8x7B Instruct
15.6x better value than Claude Opus 5.5
Claude Opus 5.5
6.9 pts/$
$12.00/M
Mixtral 8x7B Instruct
107.0 pts/$
$0.54/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Mistral AI
$14.0B·Tier 1
Head to head
1 benchmark · 2 models
Claude Opus 5.5Mixtral 8x7B Instruct
GPQA diamond
Claude Opus 5.5 leads by +80.0
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
Mixtral 8x7B Instruct
7.5
Full benchmark table
| Benchmark | Claude Opus 5.5 | Mixtral 8x7B Instruct |
|---|---|---|
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 | 7.5 |
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 | |
| $0.54 | $0.54 | 33K tokens (~16 books) | $5.40 |