OpenAI GPT Luna Latest is $0.1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
API cost decision in 10 seconds
NewOpenAI GPT Luna Latest vs Muse Glimmer 30B
Pick OpenAI GPT Luna Latest when budget and context both matter.
Budget verdict
Pick OpenAI GPT Luna Latest when budget and context both matter.
On the standard 1M input plus 500K output workload, OpenAI GPT Luna Latest is estimated at $0.8 vs $0.85 for Muse Glimmer 30B, saving $0.05 (5.9% lower).
OpenAI GPT Luna Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $0.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors OpenAI GPT Luna Latest, balanced workload favors OpenAI GPT Luna Latest, and output-heavy chatbot favors Muse Glimmer 30B.
| Workload shape | Token mix | Better pick | OpenAI GPT Luna Latest | Muse Glimmer 30B |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | OpenAI GPT Luna Latest | $1.6 | $2.05 |
| Balanced workload | 1M input + 1M output | OpenAI GPT Luna Latest | $1.4 | $1.4 |
| Output-heavy chatbot | 1M input + 5M output | Muse Glimmer 30B | $6.2 | $5.8 |
Muse Glimmer 30B is $0.1 cheaper per 1M output tokens (8.3% lower; 1.09x difference).
OpenAI GPT Luna Latest has 918.93K more context (8.01x larger).
OpenAI GPT Luna Latest is $0.05 cheaper on the standard workload (5.9% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
OpenAI GPT Luna Latest has the lower input price; Muse Glimmer 30B has the lower output price; OpenAI GPT Luna Latest offers the larger context window. For the 1M input plus 500K output sample, OpenAI GPT Luna Latest is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.8 for OpenAI GPT Luna Latest and $0.85 for Muse Glimmer 30B.
Choose OpenAI GPT Luna Latest when you care most about lower input-token price, and larger context window.
Choose Muse Glimmer 30B when you care most about lower output-token price.
- On the standard 1M input plus 500K output workload, OpenAI GPT Luna Latest is estimated at $0.8 vs $0.85 for Muse Glimmer 30B, saving $0.05 (5.9% lower).
- OpenAI GPT Luna Latest is $0.05 cheaper on the standard workload (5.9% lower).
- OpenAI GPT Luna Latest is $0.1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
- Muse Glimmer 30B is $0.1 cheaper per 1M output tokens (8.3% lower; 1.09x difference).
- OpenAI GPT Luna Latest has 918.93K more context (8.01x larger).
| Feature | NewOpenAI GPT Luna Latest (OpenAI) | Muse Glimmer 30B (Meta) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.2 | $0.3 |
| Completion Price per 1M tokens | $1.2 | $1.1 |
| Sample Workload Cost 1M input + 500K output | $0.8 | $0.85 |
| Context Window | 1.05M | 131.07K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | OpenAI GPT Luna Latest | On the standard 1M input plus 500K output workload, OpenAI GPT Luna Latest is estimated at $0.8 vs $0.85 for Muse Glimmer 30B, saving $0.05 (5.9% lower). |
| High-volume input processing | OpenAI GPT Luna Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Muse Glimmer 30B | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | OpenAI GPT Luna Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace OpenAI GPT Luna Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace OpenAI GPT Luna Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace OpenAI GPT Luna Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace OpenAI GPT Luna Latest when lower sample workload cost matters most: $0.12.
- GLM 5.3 Flash offers 1.31M context with $0.4 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.08 sample workload cost.
- GLM Flash Latest offers 1.31M context with $0.2 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.08 sample workload cost.
- Hy4 preview · Tencent · #1
- GPT-5.6 Luna · OpenAI · #2
- GLM 5.3 Flash · Z.ai · #3
- DeepSeek V4 Flash 0731 · DeepSeek · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsOpenAI catalog
Review all tracked OpenAI models before deciding whether this matchup is the right shortlist.
Open OpenAI modelsMeta catalog
Check other Meta models with comparable pricing, context, or release timing.
Open Meta modelsThis model always redirects to the latest model in the OpenAI GPT Luna family.
Muse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware. It is suited for long-horizon...