GPT-3.5 Turbo (batch) vs GPT-5.6 Luna Pro
| Signal | GPT-3.5 Turbo (batch) | Delta | GPT-5.6 Luna Pro |
|---|---|---|---|
Capabilities | 67 | -33 | |
Pricing | 99 | 0 | |
Context window size | 67 | -29 | |
Recency | 0 | -100 | |
Output Capacity | 60 | -25 | |
Benchmarks | 0 | -88 | |
| Overall Result | 0 wins | of 6 | 6 wins |
Score History
40
current score
GPT-5.6 Luna Pro
right now
89
current score
GPT-3.5 Turbo (batch)
OpenAI
GPT-5.6 Luna Pro
OpenAI
GPT-5.6 Luna Pro saves you $22.50/month
That's $270.00/year compared to GPT-3.5 Turbo (batch) at your current usage level of 100K calls/month.
| Metric | GPT-3.5 Turbo (batch) | GPT-5.6 Luna Pro | Winner |
|---|---|---|---|
| Overall Score | 40 | 89 | GPT-5.6 Luna Pro |
| Rank | #363 | #32 | GPT-5.6 Luna Pro |
| Quality Rank | #363 | #32 | GPT-5.6 Luna Pro |
| Adoption Rank | #363 | #32 | GPT-5.6 Luna Pro |
| Parameters | -- | -- | -- |
| Context Window | 16K | 1050K | GPT-5.6 Luna Pro |
| Pricing | $0.25/$0.75/M | $0.10/$0.60/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 100 | GPT-5.6 Luna Pro |
| Pricing | 99 | 99 | GPT-5.6 Luna Pro |
| Context window size | 67 | 96 | GPT-5.6 Luna Pro |
| Recency | 0 | 100 | GPT-5.6 Luna Pro |
| Output Capacity | 60 | 85 | GPT-5.6 Luna Pro |
| Benchmarks | -- | 88 | GPT-5.6 Luna Pro |
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.
Scores 40/100 (rank #363), placing it in the top -25% of all 290 models tracked.
Scores 89/100 (rank #32), placing it in the top 89% of all 290 models tracked.
GPT-5.6 Luna Pro has a 49-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose GPT-3.5 Turbo (batch) when you need:
- Budget-friendly applications with moderate quality requirements
Choose GPT-5.6 Luna Pro 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
GPT-5.6 Luna Pro offers 30% better value per quality point. At 1M tokens/day, you'd spend $10.50/month with GPT-5.6 Luna Pro vs $15.00/month with GPT-3.5 Turbo (batch) - a $4.50 monthly difference.
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.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. GPT-5.6 Luna Pro also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.60/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5.6 Luna Pro clearly outperforms GPT-3.5 Turbo (batch) with a significant 49-point lead. For most general use cases, GPT-5.6 Luna Pro is the stronger choice. However, GPT-3.5 Turbo (batch) may still excel in niche scenarios.
By Use Case
Best for Quality
GPT-3.5 Turbo (batch)
Marginally better benchmark scores; both are excellent
Best for Cost
GPT-5.6 Luna Pro
30% lower pricing; better value at scale
Best for Reliability
GPT-3.5 Turbo (batch)
Higher uptime and faster response speeds
Best for Prototyping
GPT-3.5 Turbo (batch)
Stronger community support and better developer experience
Best for Production
GPT-3.5 Turbo (batch)
Wider enterprise adoption and proven at scale
by OpenAI
- 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
| Capability | GPT-3.5 Turbo (batch) | GPT-5.6 Luna Pro |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoningdiffers | ||
| Web Search | ||
| Image Output |
GPT-3.5 Turbo (batch)
OpenAI
GPT-5.6 Luna Pro
OpenAI
GPT-5.6 Luna Pro saves you $0.4500/month
That's 33% cheaper than GPT-3.5 Turbo (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.
| Parameter | GPT-3.5 Turbo (batch) | GPT-5.6 Luna Pro |
|---|---|---|
| Context Window | 16K | 1.1M |
| Max Output Tokens | 4,096 | 128,000 |
| Open Source | No | No |
| Created | May 28, 2023 | Jul 9, 2026 |