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GPT-5.6 Luna (batch) vs Llama 3.1 70B Instruct

Signal-by-Signal Comparison
SignalGPT-5.6 Luna (batch)DeltaLlama 3.1 70B Instruct
Capabilities
100
+50
50
Benchmarks
88
+16
72
Pricing
99
0
100
Context window size
96
+14
81
Recency
100
+100
0
Output Capacity
85
+15
70
Overall Result
5 wins
of 6
1 wins
GPT-5.6 Luna (batch) wins 5 of 6 signals

Score History

Score History (25 data points)
GPT-5.6 Luna (batch)Llama 3.1 70B Instruct
GPT-5.6 Luna (batch)

89

current score

Leader

GPT-5.6 Luna (batch)

right now

Llama 3.1 70B Instruct

65.3

current score

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

GPT-5.6 Luna (batch)

OpenAI

Best Value
Per request$0.000400
Daily$1.33
Monthly$40.00
Annual$480.00

Llama 3.1 70B Instruct

Meta

Per request$0.000600
Daily$2.00
Monthly$60.00
Annual$720.00

GPT-5.6 Luna (batch) saves you $20.00/month

That's $240.00/year compared to Llama 3.1 70B Instruct at your current usage level of 100K calls/month.

33% cheaper
Choose GPT-5.6 Luna (batch) for cost optimization

GPT-5.6 Luna (batch) pricing:
Input:$0.10/M tokens
Output:$0.60/M tokens
Llama 3.1 70B Instruct pricing:
Input:$0.40/M tokens
Output:$0.40/M tokens
Winner
GPT-5.6 Luna (batch)

OpenAI

89

Composite Score

Llama 3.1 70B Instruct

Meta

65

Composite Score

Signal-by-Signal Comparison
MetricGPT-5.6 Luna (batch)Llama 3.1 70B InstructWinner
Overall Score
89
65
GPT-5.6 Luna (batch)
Rank#35#190
GPT-5.6 Luna (batch)
Quality Rank#35#190
GPT-5.6 Luna (batch)
Adoption Rank#35#190
GPT-5.6 Luna (batch)
Parameters--70B--
Context Window1050K131K
GPT-5.6 Luna (batch)
Pricing$0.10/$0.60/M$0.40/$0.40/M--
Signal Scores
Capabilities
100
50
GPT-5.6 Luna (batch)
Benchmarks
88
72
GPT-5.6 Luna (batch)
Pricing
99
100
Llama 3.1 70B Instruct
Context window size
96
81
GPT-5.6 Luna (batch)
Recency
100
0
GPT-5.6 Luna (batch)
Output Capacity
85
70
GPT-5.6 Luna (batch)
Benchmark Head-to-Head(15 benchmarks)
GPT-5.6 Luna: 9Llama 3.1: 0
GPT-5.6 Luna
Llama 3.1
Normalized 0-100%
MMLU
93%86%
MMLU-Pro
84.5%62.8%
GPQA Diamond
85%46.7%
MATH-500
92.5%68%
HumanEval
96.5%80.5%
SWE-bench Verified
75%-
GSM8K
-95.1%
IFEval
92%83.6%
BBH
90.5%81.2%
ARC-Challenge
-94.8%
HellaSwag
-94.8%
Arena Elo
14651198
LiveBench
76%53.3%
HLE
35%-
BigCodeBench
-46.1%
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.

GPT-5.6 Luna (batch)Elite Tier

Scores 89/100 (rank #35), placing it in the top 88% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Llama 3.1 70B InstructCompetitive

Scores 65/100 (rank #190), placing it in the top 35% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.6 Luna (batch) has a 24-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose GPT-5.6 Luna (batch) when you need:

  • Processing long documents or large codebases (1050K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Llama 3.1 70B 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
GPT-5.6 Luna (batch)Best Value
Input cost$0.10/M tokens
Output cost$0.60/M tokens
Cost per quality point$0.008
Est. monthly (1M tokens/day)$10.50
Llama 3.1 70B Instruct
Input cost$0.40/M tokens
Output cost$0.40/M tokens
Cost per quality point$0.012
Est. monthly (1M tokens/day)$12.00

GPT-5.6 Luna (batch) offers 12% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with GPT-5.6 Luna (batch) vs $12.00/month with Llama 3.1 70B Instruct - a $1.50 monthly difference.

Latency & Speed
GPT-5.6 Luna (batch)Faster
Speed score0/100
Llama 3.1 70B 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

GPT-5.6 Luna (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Llama 3.1 70B Instruct also offers lower per-token costs for high-volume support

GPT-5.6 Luna (batch)

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-5.6 Luna (batch)

Batch data extraction

Lower output pricing ($0.40/M) reduces costs when processing thousands of records daily

Llama 3.1 70B Instruct

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.6 Luna (batch)

Image understanding & OCR

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

GPT-5.6 Luna (batch)
Which Should You Choose?
Our recommendation:
GPT-5.6 Luna (batch)

GPT-5.6 Luna (batch) clearly outperforms Llama 3.1 70B Instruct with a significant 23.700000000000003-point lead. For most general use cases, GPT-5.6 Luna (batch) is the stronger choice. However, Llama 3.1 70B Instruct may still excel in niche scenarios.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 12% lower pricing; better value at scale
  • 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 Meta

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-5.6 Luna (batch)Llama 3.1 70B 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)

GPT-5.6 Luna (batch)

OpenAI

Best Value
$0.9000
estimated monthly cost

Llama 3.1 70B Instruct

Meta

$1.20
estimated monthly cost

GPT-5.6 Luna (batch) saves you $0.3000/month

That's 25% cheaper than Llama 3.1 70B Instruct 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
ParameterGPT-5.6 Luna (batch)Llama 3.1 70B Instruct
Context Window1.1M131K
Max Output Tokens128,00016,384
Open SourceNoYes
CreatedJul 9, 2026Jul 23, 2024
Last updated: 23m ago

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GPT-5.6 Luna (batch) vs Llama 3.1 70B Instruct (2026) | LM Market Cap