Claude Opus 5 (batch) is $0.1 cheaper per 1M input tokens (3.8% lower; 1.04x difference).
API cost decision in 10 seconds
Claude Opus 5 (batch) vs MoonshotAI Kimi Latest
Pick Claude Opus 5 (batch) for lower cost; pick MoonshotAI Kimi Latest only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Claude Opus 5 (batch) for lower cost; pick MoonshotAI Kimi Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Claude Opus 5 (batch) is estimated at $8.75 vs $9.1 for MoonshotAI Kimi Latest, saving $0.35 (3.8% lower).
Cost-first pickClaude Opus 5 (batch)
Context-first pickMoonshotAI Kimi Latest
Sample savings$0.353.8%
10x traffic gap$3.5
MoonshotAI Kimi Latest has more context, but Claude Opus 5 (batch) saves $0.35 on the standard workload. At 10x that traffic, the same price gap is about $3.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Claude Opus 5 (batch) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Opus 5 (batch) | MoonshotAI Kimi Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Claude Opus 5 (batch) | $18.75 | $19.5 |
| Balanced workload | 1M input + 1M output | Claude Opus 5 (batch) | $15 | $15.6 |
| Output-heavy chatbot | 1M input + 5M output | Claude Opus 5 (batch) | $65 | $67.6 |
Claude Opus 5 (batch) is $0.5 cheaper per 1M output tokens (3.8% lower; 1.04x difference).
MoonshotAI Kimi Latest has 48.58K more context (1.05x larger).
Claude Opus 5 (batch) is $0.35 cheaper on the standard workload (3.8% 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
Claude Opus 5 (batch) has the lower input price; Claude Opus 5 (batch) has the lower output price; MoonshotAI Kimi Latest offers the larger context window. For the 1M input plus 500K output sample, Claude Opus 5 (batch) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $8.75 for Claude Opus 5 (batch) and $9.1 for MoonshotAI Kimi Latest.
Choose Claude Opus 5 (batch) when you care most about lower input-token price, and lower output-token price.
Choose MoonshotAI Kimi Latest when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Claude Opus 5 (batch) is estimated at $8.75 vs $9.1 for MoonshotAI Kimi Latest, saving $0.35 (3.8% lower).
- Claude Opus 5 (batch) is $0.35 cheaper on the standard workload (3.8% lower).
- Claude Opus 5 (batch) is $0.1 cheaper per 1M input tokens (3.8% lower; 1.04x difference).
- Claude Opus 5 (batch) is $0.5 cheaper per 1M output tokens (3.8% lower; 1.04x difference).
- MoonshotAI Kimi Latest has 48.58K more context (1.05x larger).
| Feature | Claude Opus 5 (batch) (Anthropic) | MoonshotAI Kimi Latest (MoonshotAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $2.5 | $2.6 |
| Completion Price per 1M tokens | $12.5 | $13 |
| Sample Workload Cost 1M input + 500K output | $8.75 | $9.1 |
| Context Window | 1M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Claude Opus 5 (batch) | On the standard 1M input plus 500K output workload, Claude Opus 5 (batch) is estimated at $8.75 vs $9.1 for MoonshotAI Kimi Latest, saving $0.35 (3.8% lower). |
| High-volume input processing | Claude Opus 5 (batch) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Claude Opus 5 (batch) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | MoonshotAI Kimi Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude 3 Haiku can replace Claude Opus 5 (batch) when lower sample workload cost matters most: $0.88.
- Claude Haiku 4.5 (batch) can replace Claude Opus 5 (batch) when lower sample workload cost matters most: $1.75.
- Claude 3.5 Haiku can replace Claude Opus 5 (batch) when lower sample workload cost matters most: $2.8.
- Claude Sonnet 5 (batch) can replace Claude Opus 5 (batch) when lower sample workload cost matters most: $3.5.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
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Open MoonshotAI modelsClaude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
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