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Claude Opus 4.6 vs Gemma 4 31B (free)

Claude Opus 4.6

Anthropic

90#30
vs
Signal-by-Signal Comparison
SignalClaude Opus 4.6DeltaGemma 4 31B (free)
Capabilities
100
+17
83
Benchmarks
87
+1
86
Pricing
75
-25
100
Context window size
95
+9
86
Recency
99
-1
100
Output Capacity
85
+10
75
Overall Result
4 wins
of 6
2 wins
Claude Opus 4.6 wins 4 of 6 signals

Score History

Score History (25 data points)
Claude Opus 4.6Gemma 4 31B (free)
Claude Opus 4.6

90.4

current score

Leader

Claude Opus 4.6

right now

Gemma 4 31B (free)

80.5

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

Gemma 4 31B (free)

Google

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Gemma 4 31B (free) saves you $1750.00/month

That's $21000.00/year compared to Claude Opus 4.6 at your current usage level of 100K calls/month.

100% cheaper
Choose Gemma 4 31B (free) for cost optimization

Claude Opus 4.6 pricing:
Input:$5.00/M tokens
Output:$25.00/M tokens
Gemma 4 31B (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Winner
Claude Opus 4.6

Anthropic

90

Composite Score

Gemma 4 31B (free)

Google

81

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 4.6Gemma 4 31B (free)Winner
Overall Score
90
81
Claude Opus 4.6
Rank#30#84
Claude Opus 4.6
Quality Rank#30#84
Claude Opus 4.6
Adoption Rank#30#84
Claude Opus 4.6
Parameters--31B--
Context Window1000K262K
Claude Opus 4.6
Pricing$5.00/$25.00/MFree--
Signal Scores
Capabilities
100
83
Claude Opus 4.6
Benchmarks
87
86
Claude Opus 4.6
Pricing
75
100
Gemma 4 31B (free)
Context window size
95
86
Claude Opus 4.6
Recency
99
100
Gemma 4 31B (free)
Output Capacity
85
75
Claude Opus 4.6
Benchmark Head-to-Head(13 benchmarks)
Claude Opus: 4Gemma 4: 3
Claude Opus
Gemma 4
Normalized 0-100%
MMLU
92.1%-
MMLU-Pro
82.5%85.2%
GPQA Diamond
88.4%84.3%
MATH-500
90.5%-
HumanEval
96%-
SWE-bench Verified
83.7%-
AIME 2024
78%89.2%
IFEval
92.8%-
BBH
91.5%74.4%
Arena Elo
15031451
LiveBench
78.5%80%
HLE
38.2%19.5%
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
Gemma 4 31B (free)Strong Performer

Scores 81/100 (rank #84), placing it in the top 71% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Claude Opus 4.6 has a 10-point advantage, which typically translates to noticeably better performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Claude Opus 4.6 when you need:

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

Choose Gemma 4 31B (free) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
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
Gemma 4 31B (free)
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00

Both models are priced similarly, so the decision comes down to quality and features rather than cost.

Latency & Speed
Claude Opus 4.6Faster
Speed score0/100
Gemma 4 31B (free)
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. Gemma 4 31B (free) 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 ($0.00/M) reduces costs when processing thousands of records daily

Gemma 4 31B (free)

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 has a moderate advantage with a 9.900000000000006-point lead in composite score. It wins on more signal dimensions, but Gemma 4 31B (free) has specific strengths that could make it the better choice for certain workflows.

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 Google

  • Choose for Cost - 100% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 4.6Gemma 4 31B (free)
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
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

Gemma 4 31B (free)

Google

Best Value
$0.000000
estimated monthly cost

Gemma 4 31B (free) saves you $39.00/month

That's 100% 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 4.6Gemma 4 31B (free)
Context Window1M262K
Max Output Tokens128,00032,768
Open SourceNoYes
CreatedFeb 4, 2026Apr 2, 2026
Last updated: 39m ago

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