DeepSeek V4 Flash is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).
API cost decision in 10 seconds
🔥DeepSeek V4 Flash vs NewClaude Opus 4.7 (Fast)
Pick DeepSeek V4 Flash when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick DeepSeek V4 Flash when budget and context both matter.
On the standard 1M input plus 500K output workload, DeepSeek V4 Flash is estimated at $0.2 vs $105 for Claude Opus 4.7 (Fast), saving $104.8 (99.8% lower).
Cost-first pickDeepSeek V4 Flash
Context-first pickDeepSeek V4 Flash
Sample savings$104.899.8%
10x traffic gap$1048
DeepSeek V4 Flash is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $1048. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
DeepSeek V4 Flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | DeepSeek V4 Flash | Claude Opus 4.7 (Fast) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | DeepSeek V4 Flash | $0.6 | $225 |
| Balanced workload | 1M input + 1M output | DeepSeek V4 Flash | $0.3 | $180 |
| Output-heavy chatbot | 1M input + 5M output | DeepSeek V4 Flash | $1.1 | $780 |
DeepSeek V4 Flash is $149.8 cheaper per 1M output tokens (99.9% lower; 750x difference).
DeepSeek V4 Flash has 48.58K more context (1.05x larger).
DeepSeek V4 Flash is $104.8 cheaper on the standard workload (99.8% 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
DeepSeek V4 Flash has the lower input price; DeepSeek V4 Flash has the lower output price; DeepSeek V4 Flash offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V4 Flash is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.2 for DeepSeek V4 Flash and $105 for Claude Opus 4.7 (Fast).
Choose DeepSeek V4 Flash when you care most about lower input-token price, lower output-token price, and larger context window.
Choose Claude Opus 4.7 (Fast) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
- On the standard 1M input plus 500K output workload, DeepSeek V4 Flash is estimated at $0.2 vs $105 for Claude Opus 4.7 (Fast), saving $104.8 (99.8% lower).
- DeepSeek V4 Flash is $104.8 cheaper on the standard workload (99.8% lower).
- DeepSeek V4 Flash is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).
- DeepSeek V4 Flash is $149.8 cheaper per 1M output tokens (99.9% lower; 750x difference).
- DeepSeek V4 Flash has 48.58K more context (1.05x larger).
| Feature | 🔥DeepSeek V4 Flash (DeepSeek) | NewClaude Opus 4.7 (Fast) (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.1 | $30 |
| Completion Price per 1M tokens | $0.2 | $150 |
| Sample Workload Cost 1M input + 500K output | $0.2 | $105 |
| Context Window | 1.05M | 1M |
| Release Date | ||
| Popularity | #1 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | DeepSeek V4 Flash | On the standard 1M input plus 500K output workload, DeepSeek V4 Flash is estimated at $0.2 vs $105 for Claude Opus 4.7 (Fast), saving $104.8 (99.8% lower). |
| High-volume input processing | DeepSeek V4 Flash | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | DeepSeek V4 Flash | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | DeepSeek V4 Flash | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- DeepSeek V4 Flash (free) can replace DeepSeek V4 Flash when lower sample workload cost matters most: $0.
- Claude 3 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $0.88.
- Claude 3.5 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $2.8.
- Anthropic Claude Haiku Latest can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- GPT-5.5 offers 1.05M context with $20 sample workload cost.
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
- Owl Alpha · OpenRouter · #5
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Open Anthropic modelsDeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...
Fast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode