Gemma 4 26B A4B vs GPT-6 Luna
| Signal | Gemma 4 26B A4B | Delta | GPT-6 Luna |
|---|---|---|---|
Capabilities | 83 | -17 | |
Benchmarks | 72 | +72 | |
Pricing | 100 | +0 | |
Context window size | 86 | -10 | |
Recency | 100 | 0 | |
Output Capacity | 86 | +4 | |
| Overall Result | 3 wins | of 6 | 3 wins |
Score History
72.9
current score
Gemma 4 26B A4B
right now
40
current score
Gemma 4 26B A4B
GPT-6 Luna
OpenAI
Gemma 4 26B A4B saves you $17.00/month
That's $204.00/year compared to GPT-6 Luna at your current usage level of 100K calls/month.
| Metric | Gemma 4 26B A4B | GPT-6 Luna | Winner |
|---|---|---|---|
| Overall Score | 73 | 40 | Gemma 4 26B A4B |
| Rank | #148 | #253 | Gemma 4 26B A4B |
| Quality Rank | #148 | #253 | Gemma 4 26B A4B |
| Adoption Rank | #148 | #253 | Gemma 4 26B A4B |
| Parameters | 26B | -- | -- |
| Context Window | 262K | 1050K | GPT-6 Luna |
| Pricing | $0.07/$0.22/M | $0.10/$0.50/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 100 | GPT-6 Luna |
| Benchmarks | 72 | -- | Gemma 4 26B A4B |
| Pricing | 100 | 100 | Gemma 4 26B A4B |
| Context window size | 86 | 96 | GPT-6 Luna |
| Recency | 100 | 100 | GPT-6 Luna |
| Output Capacity | 86 | 82 | Gemma 4 26B A4B |
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 73/100 (rank #148), placing it in the top 49% of all 290 models tracked.
Scores 40/100 (rank #253), placing it in the top 13% of all 290 models tracked.
Gemma 4 26B A4B has a 33-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose Gemma 4 26B A4B 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
Choose GPT-6 Luna when you need:
- Processing long documents or large codebases (1050K token context)
- Step-by-step reasoning and chain-of-thought problem solving
Gemma 4 26B A4B offers 51% better value per quality point. At 1M tokens/day, you'd spend $4.39/month with Gemma 4 26B A4B vs $9.00/month with GPT-6 Luna - a $4.61 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. Gemma 4 26B A4B 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 ($0.22/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (73/100) 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
Gemma 4 26B A4B clearly outperforms GPT-6 Luna with a significant 32.900000000000006-point lead. For most general use cases, Gemma 4 26B A4B is the stronger choice. However, GPT-6 Luna may still excel in niche scenarios.
By Use Case
Best for Quality
Gemma 4 26B A4B
Marginally better benchmark scores; both are excellent
Best for Cost
Gemma 4 26B A4B
51% lower pricing; better value at scale
Best for Reliability
Gemma 4 26B A4B
Higher uptime and faster response speeds
Best for Prototyping
Gemma 4 26B A4B
Stronger community support and better developer experience
Best for Production
Gemma 4 26B A4B
Wider enterprise adoption and proven at scale
by Google
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Cost - 51% 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
| Capability | Gemma 4 26B A4B | GPT-6 Luna |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
Gemma 4 26B A4B
GPT-6 Luna
OpenAI
Gemma 4 26B A4B saves you $0.3885/month
That's 50% cheaper than GPT-6 Luna 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 | Gemma 4 26B A4B | GPT-6 Luna |
|---|---|---|
| Context Window | 262K | 1.1M |
| Max Output Tokens | 235,929 | 128,000 |
| Open Source | Yes | No |
| Created | Apr 3, 2026 | Sep 22, 2026 |