Anthropic: Claude Sonnet 4.6 (batch) vs DeepSeek: DeepSeek V4 Flash 0423
Based on weekly OpenRouter usage tracked by AI Tier List, DeepSeek: DeepSeek V4 Flash 0423 ranks #4 overall — ahead of Anthropic: Claude Sonnet 4.6 (batch) at #18. DeepSeek: DeepSeek V4 Flash 0423 is cheaper on input tokens at $0.14/1M vs $1.50/1M for Anthropic: Claude Sonnet 4.6 (batch). DeepSeek: DeepSeek V4 Flash 0423 offers the larger context window at 1M tokens.
Anthropic: Claude Sonnet 4.6 (batch) vs DeepSeek: DeepSeek V4 Flash 0423: which should you use?
Choose Anthropic: Claude Sonnet 4.6 (batch) if…
- Higher Artificial Analysis agentic score — 42.1 vs 31.1.
- It accepts image, file input, which DeepSeek: DeepSeek V4 Flash 0423 does not.
Choose DeepSeek: DeepSeek V4 Flash 0423 if…
- It sees more real traffic — #4 overall on OpenRouter's weekly ranking, against #18 for Anthropic: Claude Sonnet 4.6 (batch).
- Cheaper to read — $0.14 vs $1.50 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- Cheaper to write — $0.28 vs $7.50 per 1M output tokens, the line item that decides generation-heavy costs.
- Bigger context window — 1M vs 1M tokens.
- It is the newer model — released Apr 2026 against Feb 2026.
Spec Comparison
| Spec | Anthropic: Claude Sonnet 4.6 (batch) | DeepSeek: DeepSeek V4 Flash 0423 |
|---|---|---|
| Author | anthropic | deepseek |
| Input price (per 1M tokens) | $1.50 | $0.14 |
| Output price (per 1M tokens) | $7.50 | $0.28 |
| Context window | 1M | 1M |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| AA Intelligence | 48.4 | — |
| AA Coding | 63.0 | — |
| AA Agentic | 42.1 | 31.1 |
| Released | Feb 2026 | Apr 2026 |
What Anthropic: Claude Sonnet 4.6 (batch) and DeepSeek: DeepSeek V4 Flash 0423 actually cost to run
On a read-heavy job — 1M tokens in, 100K out — Anthropic: Claude Sonnet 4.6 (batch) costs $2.25 and DeepSeek: DeepSeek V4 Flash 0423 costs $0.17.
Flip the shape — 100K in, 1M out — and it becomes $7.65 for Anthropic: Claude Sonnet 4.6 (batch) versus $0.29 for DeepSeek: DeepSeek V4 Flash 0423.
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | Anthropic: Claude Sonnet 4.6 (batch) | DeepSeek: DeepSeek V4 Flash 0423 |
|---|---|---|
| Overall | #18 | #4 |
| Memory Extraction | — | #2 |
| Multi-step Planning | — | #1 |
| Tool Dispatch | — | #1 |
| Web Search | — | #1 |
| Agent Workflows | — | #3 |
| Classification & Tagging | — | #1 |
| Debugging | — | #4 |
| DevOps Config | — | #5 |
| File Read/Write | — | #4 |
| Frontend UI | — | #4 |
| Code Implementation | — | #6 |
| Repo Analysis | — | #4 |
| Code Review & Security | — | #4 |
| Shell Execution | — | #7 |
About Anthropic: Claude Sonnet 4.6 (batch) and DeepSeek: DeepSeek V4 Flash 0423
Anthropic: Claude Sonnet 4.6 (batch)
Built by anthropic · released Feb 2026 · 1M-token context
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
DeepSeek: DeepSeek V4 Flash 0423
Built by deepseek · released Apr 2026 · 1M-token context
DeepSeek 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...
Related comparisons
- Anthropic: Claude Sonnet 4.6 (batch) vs DeepSeek: DeepSeek V4 Flash 0731
- Anthropic: Claude Sonnet 4.6 (batch) vs Tencent: Hy3
- Anthropic: Claude Sonnet 4.6 (batch) vs OpenAI: GPT-5.6 Luna (batch)
- DeepSeek: DeepSeek V4 Flash 0423 vs DeepSeek: DeepSeek V4 Flash 0731
- DeepSeek: DeepSeek V4 Flash 0423 vs Tencent: Hy3
- DeepSeek: DeepSeek V4 Flash 0423 vs OpenAI: GPT-5.6 Luna (batch)
Get notified when Anthropic: Claude Sonnet 4.6 (batch) or DeepSeek: DeepSeek V4 Flash 0423 moves
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FAQ
Which is better, Anthropic: Claude Sonnet 4.6 (batch) or DeepSeek: DeepSeek V4 Flash 0423?
Based on weekly OpenRouter usage tracked by AI Tier List, DeepSeek: DeepSeek V4 Flash 0423 ranks #4 overall — ahead of Anthropic: Claude Sonnet 4.6 (batch) at #18. DeepSeek: DeepSeek V4 Flash 0423 is cheaper on input tokens at $0.14/1M vs $1.50/1M for Anthropic: Claude Sonnet 4.6 (batch). DeepSeek: DeepSeek V4 Flash 0423 offers the larger context window at 1M tokens.
Which is cheaper, Anthropic: Claude Sonnet 4.6 (batch) or DeepSeek: DeepSeek V4 Flash 0423?
DeepSeek: DeepSeek V4 Flash 0423 is cheaper at $0.14 per 1M input tokens. Output pricing: Anthropic: Claude Sonnet 4.6 (batch) $7.50, DeepSeek: DeepSeek V4 Flash 0423 $0.28.
Is DeepSeek: DeepSeek V4 Flash 0423 still ahead of Anthropic: Claude Sonnet 4.6 (batch) right now?
Yes. For the week of 2026-08-10, DeepSeek: DeepSeek V4 Flash 0423 ranks #4 overall on OpenRouter usage against #18 for Anthropic: Claude Sonnet 4.6 (batch). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.