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Claude Opus 5.5 (batch) vs Grok Latest

vs
Grok Latest

~x-ai

40#309
Signal-by-Signal Comparison
SignalClaude Opus 5.5 (batch)DeltaGrok Latest
Capabilities
100
--
100
Pricing
90
-5
95
Context window size
95
+5
90
Recency
100
--
100
Output Capacity
82
-9
90
Overall Result
1 wins
of 5
2 wins
Grok Latest wins 2 of 5 signals

Score History

Score History (13 data points)
Claude Opus 5.5 (batch)Grok Latest
Claude Opus 5.5 (batch)

40

current score

Leader

Tied

right now

Grok Latest

40

current score

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

Claude Opus 5.5 (batch)

Anthropic

Per request$0.007000
Daily$23.33
Monthly$700.00
Annual$8400.00

Grok Latest

~x-ai

Best Value
Per request$0.004000
Daily$13.33
Monthly$400.00
Annual$4800.00

Grok Latest saves you $300.00/month

That's $3600.00/year compared to Claude Opus 5.5 (batch) at your current usage level of 100K calls/month.

43% cheaper
Choose Grok Latest for cost optimization

Claude Opus 5.5 (batch) pricing:
Input:$2.00/M tokens
Output:$10.00/M tokens
Grok Latest pricing:
Input:$1.60/M tokens
Output:$4.80/M tokens
Tie
Claude Opus 5.5 (batch)

Anthropic

40

Composite Score

Tie
Grok Latest

~x-ai

40

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 5.5 (batch)Grok LatestWinner
Overall Score
40
40
--
Rank#253#309
Claude Opus 5.5 (batch)
Quality Rank#253#309
Claude Opus 5.5 (batch)
Adoption Rank#253#309
Claude Opus 5.5 (batch)
Parameters------
Context Window1000K500K
Claude Opus 5.5 (batch)
Pricing$2.00/$10.00/M$1.60/$4.80/M--
Signal Scores
Capabilities
100
100
Claude Opus 5.5 (batch)
Pricing
90
95
Grok Latest
Context window size
95
90
Claude Opus 5.5 (batch)
Recency
100
100
Claude Opus 5.5 (batch)
Output Capacity
82
90
Grok Latest
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 5.5 (batch)Entry Level

Scores 40/100 (rank #253), placing it in the top 13% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok LatestEntry Level

Scores 40/100 (rank #309), placing it in the top -6% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Claude Opus 5.5 (batch) when you need:

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

Choose Grok Latest 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 5.5 (batch)
Input cost$2.00/M tokens
Output cost$10.00/M tokens
Cost per quality point$0.300
Est. monthly (1M tokens/day)$180.00
Grok LatestBest Value
Input cost$1.60/M tokens
Output cost$4.80/M tokens
Cost per quality point$0.160
Est. monthly (1M tokens/day)$96.00

Grok Latest offers 47% better value per quality point. At 1M tokens/day, you'd spend $96.00/month with Grok Latest vs $180.00/month with Claude Opus 5.5 (batch) - a $84.00 monthly difference.

Latency & Speed
Claude Opus 5.5 (batch)Faster
Speed score0/100
Grok Latest
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 (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Grok Latest also offers lower per-token costs for high-volume support

Claude Opus 5.5 (batch)

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)

Batch data extraction

Lower output pricing ($4.80/M) reduces costs when processing thousands of records daily

Grok Latest

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

Claude Opus 5.5 (batch)

Image understanding & OCR

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

Claude Opus 5.5 (batch)
Which Should You Choose?
Our recommendation:
Claude Opus 5.5 (batch)

Claude Opus 5.5 (batch) and Grok Latest are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

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 ~x-ai

  • Choose for Cost - 47% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 5.5 (batch)Grok Latest
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 5.5 (batch)

Anthropic

$15.60
estimated monthly cost

Grok Latest

~x-ai

Best Value
$8.64
estimated monthly cost

Grok Latest saves you $6.96/month

That's 45% cheaper than Claude Opus 5.5 (batch) 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 5.5 (batch)Grok Latest
Context Window1M500K
Max Output Tokens128,000450,000
Open SourceNoNo
CreatedSep 22, 2026Jul 8, 2026
Last updated: 33m ago

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Claude Opus 5.5 (batch) vs Grok Latest (2026) | LM Market Cap