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Claude Opus 5.5 vs Mixtral 8x22B Instruct

Claude Opus 5.5

Anthropic

95#5
vs
Mixtral 8x22B Instruct

Mistral AI

63#204
Signal-by-Signal Comparison
SignalClaude Opus 5.5DeltaMixtral 8x22B Instruct
Capabilities
100
+50
50
Pricing
80
-14
94
Context window size
95
+19
76
Recency
100
+100
0
Output Capacity
82
+6
75
Benchmarks
0
-71
71
Overall Result
4 wins
of 6
2 wins
Claude Opus 5.5 wins 4 of 6 signals

Score History

Score History (32 data points)
Claude Opus 5.5Mixtral 8x22B Instruct
Claude Opus 5.5

95.1

current score

Leader

Claude Opus 5.5

right now

Mixtral 8x22B Instruct

63.4

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Claude Opus 5.5

Anthropic

Per request$0.014000
Daily$46.67
Monthly$1400.00
Annual$16800.00

Mixtral 8x22B Instruct

Mistral AI

Best Value
Per request$0.005000
Daily$16.67
Monthly$500.00
Annual$6000.00

Mixtral 8x22B Instruct saves you $900.00/month

That's $10800.00/year compared to Claude Opus 5.5 at your current usage level of 100K calls/month.

64% cheaper
Choose Mixtral 8x22B Instruct for cost optimization

Claude Opus 5.5 pricing:
Input:$4.00/M tokens
Output:$20.00/M tokens
Mixtral 8x22B Instruct pricing:
Input:$2.00/M tokens
Output:$6.00/M tokens
Winner
Claude Opus 5.5

Anthropic

95

Composite Score

Mixtral 8x22B Instruct

Mistral AI

63

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 5.5Mixtral 8x22B InstructWinner
Overall Score
95
63
Claude Opus 5.5
Rank#5#204
Claude Opus 5.5
Quality Rank#5#204
Claude Opus 5.5
Adoption Rank#5#204
Claude Opus 5.5
Parameters--22B--
Context Window1000K66K
Claude Opus 5.5
Pricing$4.00/$20.00/M$2.00/$6.00/M--
Signal Scores
Capabilities
100
50
Claude Opus 5.5
Pricing
80
94
Mixtral 8x22B Instruct
Context window size
95
76
Claude Opus 5.5
Recency
100
0
Claude Opus 5.5
Output Capacity
82
75
Claude Opus 5.5
Benchmarks--
71
Mixtral 8x22B Instruct
Benchmark Head-to-Head(8 benchmarks)
Claude Opus: 0Mixtral 8x22B: 0
Claude Opus
Mixtral 8x22B
Normalized 0-100%
MMLU
-77.3%
MATH-500
-60%
HumanEval
-78.6%
GSM8K
-88.4%
ARC-Challenge
-91.3%
HellaSwag
-88.7%
Arena Elo
-1146
BigCodeBench
-40.6%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Claude Opus 5.5Elite Tier

Scores 95/100 (rank #5), placing it in the top 99% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Mixtral 8x22B InstructCompetitive

Scores 63/100 (rank #204), placing it in the top 30% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Opus 5.5 has a 32-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Claude Opus 5.5 when you need:

  • Processing long documents or large codebases (1000K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Mixtral 8x22B Instruct when you need:

  • High-volume production workloads where API costs must be minimized
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Claude Opus 5.5
Input cost$4.00/M tokens
Output cost$20.00/M tokens
Cost per quality point$0.252
Est. monthly (1M tokens/day)$360.00
Mixtral 8x22B InstructBest Value
Input cost$2.00/M tokens
Output cost$6.00/M tokens
Cost per quality point$0.126
Est. monthly (1M tokens/day)$120.00

Mixtral 8x22B Instruct offers 67% better value per quality point. At 1M tokens/day, you'd spend $120.00/month with Mixtral 8x22B Instruct vs $360.00/month with Claude Opus 5.5 - a $240.00 monthly difference.

Latency & Speed
Claude Opus 5.5Faster
Speed score0/100
Mixtral 8x22B Instruct
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Claude Opus 5.5

Customer support chatbot

Suitable for user-facing chat with competitive response times. Mixtral 8x22B Instruct also offers lower per-token costs for high-volume support

Claude Opus 5.5

Long document analysis

Larger context window (1000K tokens) can process longer documents, contracts, and research papers in a single pass

Claude Opus 5.5

Batch data extraction

Lower output pricing ($6.00/M) reduces costs when processing thousands of records daily

Mixtral 8x22B Instruct

Creative writing & content

Higher overall composite score (95/100) correlates with better nuance, coherence, and style in long-form content

Claude Opus 5.5

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Claude Opus 5.5
Which Should You Choose?
Our recommendation:
Claude Opus 5.5

Claude Opus 5.5 clearly outperforms Mixtral 8x22B Instruct with a significant 31.699999999999996-point lead. For most general use cases, Claude Opus 5.5 is the stronger choice. However, Mixtral 8x22B Instruct may still excel in niche scenarios.

Claude Opus 5.5
Recommended

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Mistral AI

  • Choose for Cost - 67% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 5.5Mixtral 8x22B Instruct
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Opus 5.5

Anthropic

$31.20
estimated monthly cost

Mixtral 8x22B Instruct

Mistral AI

Best Value
$10.80
estimated monthly cost

Mixtral 8x22B Instruct saves you $20.40/month

That's 65% cheaper than Claude Opus 5.5 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterClaude Opus 5.5Mixtral 8x22B Instruct
Context Window1M66K
Max Output Tokens128,00052,428
Open SourceNoYes
CreatedSep 22, 2026Apr 17, 2024
Last updated: 43m ago

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