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Claude Opus 4.6 vs Claude Sonnet 5 (batch)

Claude Opus 4.6

Anthropic

90#30
vs
Signal-by-Signal Comparison
SignalClaude Opus 4.6DeltaClaude Sonnet 5 (batch)
Capabilities
100
--
100
Benchmarks
87
+87
0
Pricing
75
-20
95
Context window size
95
--
95
Recency
99
-1
100
Output Capacity
85
--
85
Overall Result
1 wins
of 6
2 wins
Claude Sonnet 5 (batch) wins 2 of 6 signals

Score History

Score History (25 data points)
Claude Opus 4.6Claude Sonnet 5 (batch)
Claude Opus 4.6

90.4

current score

Leader

Claude Opus 4.6

right now

Claude Sonnet 5 (batch)

40

current score

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

Claude Opus 4.6

Anthropic

Per request$0.017500
Daily$58.33
Monthly$1750.00
Annual$21000.00

Claude Sonnet 5 (batch)

Anthropic

Best Value
Per request$0.003500
Daily$11.67
Monthly$350.00
Annual$4200.00

Claude Sonnet 5 (batch) saves you $1400.00/month

That's $16800.00/year compared to Claude Opus 4.6 at your current usage level of 100K calls/month.

80% cheaper
Choose Claude Sonnet 5 (batch) for cost optimization

Claude Opus 4.6 pricing:
Input:$5.00/M tokens
Output:$25.00/M tokens
Claude Sonnet 5 (batch) pricing:
Input:$1.00/M tokens
Output:$5.00/M tokens
Winner
Claude Opus 4.6

Anthropic

90

Composite Score

Claude Sonnet 5 (batch)

Anthropic

40

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 4.6Claude Sonnet 5 (batch)Winner
Overall Score
90
40
Claude Opus 4.6
Rank#30#251
Claude Opus 4.6
Quality Rank#30#251
Claude Opus 4.6
Adoption Rank#30#251
Claude Opus 4.6
Parameters------
Context Window1000K1000K--
Pricing$5.00/$25.00/M$1.00/$5.00/M--
Signal Scores
Capabilities
100
100
Claude Opus 4.6
Benchmarks
87
--
Claude Opus 4.6
Pricing
75
95
Claude Sonnet 5 (batch)
Context window size
95
95
Claude Opus 4.6
Recency
99
100
Claude Sonnet 5 (batch)
Output Capacity
85
85
Claude Opus 4.6
Benchmark Head-to-Head(13 benchmarks)
Claude Opus: 0Claude Sonnet: 0
Claude Opus
Claude Sonnet
Normalized 0-100%
MMLU
92.1%-
MMLU-Pro
82.5%-
GPQA Diamond
88.4%-
MATH-500
90.5%-
HumanEval
96%-
SWE-bench Verified
83.7%-
AIME 2024
78%-
IFEval
92.8%-
BBH
91.5%-
Arena Elo
1503-
LiveBench
78.5%-
HLE
38.2%-
BigCodeBench
72.1%-
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 4.6Elite Tier

Scores 90/100 (rank #30), placing it in the top 90% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Claude Sonnet 5 (batch)Entry Level

Scores 40/100 (rank #251), placing it in the top 14% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Opus 4.6 has a 50-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 4.6 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Claude Sonnet 5 (batch) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Claude Opus 4.6
Input cost$5.00/M tokens
Output cost$25.00/M tokens
Cost per quality point$0.332
Est. monthly (1M tokens/day)$450.00
Claude Sonnet 5 (batch)Best Value
Input cost$1.00/M tokens
Output cost$5.00/M tokens
Cost per quality point$0.150
Est. monthly (1M tokens/day)$90.00

Claude Sonnet 5 (batch) offers 80% better value per quality point. At 1M tokens/day, you'd spend $90.00/month with Claude Sonnet 5 (batch) vs $450.00/month with Claude Opus 4.6 - a $360.00 monthly difference.

Latency & Speed
Claude Opus 4.6Faster
Speed score0/100
Claude Sonnet 5 (batch)
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 4.6

Customer support chatbot

Suitable for user-facing chat with competitive response times. Claude Sonnet 5 (batch) also offers lower per-token costs for high-volume support

Claude Opus 4.6

Long document analysis

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

Claude Opus 4.6

Batch data extraction

Lower output pricing ($5.00/M) reduces costs when processing thousands of records daily

Claude Sonnet 5 (batch)

Creative writing & content

Higher overall composite score (90/100) correlates with better nuance, coherence, and style in long-form content

Claude Opus 4.6

Image understanding & OCR

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

Claude Opus 4.6
Which Should You Choose?
Our recommendation:
Claude Opus 4.6

Claude Opus 4.6 clearly outperforms Claude Sonnet 5 (batch) with a significant 50.400000000000006-point lead. For most general use cases, Claude Opus 4.6 is the stronger choice. However, Claude Sonnet 5 (batch) may still excel in niche scenarios.

Claude Opus 4.6
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 Anthropic

  • Choose for Cost - 80% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 4.6Claude Sonnet 5 (batch)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Opus 4.6

Anthropic

$39.00
estimated monthly cost

Claude Sonnet 5 (batch)

Anthropic

Best Value
$7.80
estimated monthly cost

Claude Sonnet 5 (batch) saves you $31.20/month

That's 80% cheaper than Claude Opus 4.6 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 4.6Claude Sonnet 5 (batch)
Context Window1M1M
Max Output Tokens128,000128,000
Open SourceNoNo
CreatedFeb 4, 2026Jun 30, 2026
Last updated: 29m ago

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Claude Opus 4.6 vs Claude Sonnet 5 (batch) (2026) | LM Market Cap