High-volume, cost-sensitive work
Choose Claude Haiku 5.5
Claude Haiku 5.5 costs 38% less on a typical mix of three input tokens for every output token ($0.20 against $0.32 per million tokens).
Claude Haiku 5.5 vs DeepSeek V4 Flash Vision Exp: price, context and capabilities
Choose Claude Haiku 5.5 for high-volume, cost-sensitive work, writing and code generation and the latest release. Choose DeepSeek V4 Flash Vision Exp for reused prompts and documents (RAG, agents).
In short
- Claude Haiku 5.5 is 38% cheaper than DeepSeek V4 Flash Vision Exp at the headline price ($0.20 / 1M tokens vs $0.3234 / 1M tokens).
- DeepSeek V4 Flash Vision Exp reads more per request: 1.05M tokens against 1M.
- Claude Haiku 5.5 is the newer model (October 2026, against Aug 21, 2026).
- Only Claude Haiku 5.5 offers batch api.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Writing and code generation
Choose Claude Haiku 5.5
Claude Haiku 5.5 charges $0.50 per million output tokens, against $0.65 for DeepSeek V4 Flash Vision Exp. Output dominates the bill when answers are long.
Reused prompts and documents (RAG, agents)
Choose DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp charges <$0.01 per million cached input tokens, against $0.01 for Claude Haiku 5.5.
Latest release
Choose Claude Haiku 5.5
Claude Haiku 5.5 is the newer release (October 2026, against Aug 21, 2026 for DeepSeek V4 Flash Vision Exp).
Monthly cost at three volumes
| Volume | Claude Haiku 5.5 | DeepSeek V4 Flash Vision Exp | Difference |
|---|---|---|---|
| Prototype: 1M input, 250K output tokens | $0.23 | $0.38 | Claude Haiku 5.5, $0.15 less |
| Production: 20M input, 5M output tokens | $4.50 | $7.55 | Claude Haiku 5.5, $3.05 less |
| Scale: 500M input, 100M output tokens | $100.00 | $172.48 | Claude Haiku 5.5, $72.48 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| Claude Haiku 5.5 | DeepSeek V4 Flash Vision Exp | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Category | Language models | Language models |
| Status | Generally available | Preview |
| Headline price | $0.20 / 1M tokens | $0.3234 / 1M tokens |
| Input | $0.10 / 1M tokens | $0.2156 / 1M tokens |
| Output | $0.50 / 1M tokens | $0.6468 / 1M tokens |
| Cached input | $0.01 / 1M tokens | $0.0069 / 1M tokens |
| Context window | 1M | 1.05M |
| Max output | 128k | 262k |
| Released | October 2026 | Aug 21, 2026 |
| Knowledge cutoff | June 2026 | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API | Vision, Reasoning, Tool calling, Structured output, Prompt caching |
| API model id | claude-haiku-5-5 | deepseek-v4-flash-vision-exp |
Benchmarks side by side
Leader in bold.
| Benchmark | Claude Haiku 5.5 | DeepSeek V4 Flash Vision Exp |
|---|---|---|
| Intelligence Index | 43.4 | No data |
| SciCode | 55% | No data |
| Humanity's Last Exam | 44.4% | No data |
| Long-context reasoning (AA-LCR) | 82.7% | No data |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose Claude Haiku 5.5 or DeepSeek V4 Flash Vision Exp?
Choose Claude Haiku 5.5 for high-volume, cost-sensitive work, writing and code generation and the latest release. Choose DeepSeek V4 Flash Vision Exp for reused prompts and documents (RAG, agents).
Which is cheaper, Claude Haiku 5.5 or DeepSeek V4 Flash Vision Exp?
Claude Haiku 5.5 is 38% cheaper than DeepSeek V4 Flash Vision Exp at the headline price ($0.20 / 1M tokens vs $0.3234 / 1M tokens).
Which has the larger context window, Claude Haiku 5.5 or DeepSeek V4 Flash Vision Exp?
DeepSeek V4 Flash Vision Exp reads more per request: 1.05M tokens against 1M.
What is the difference between Claude Haiku 5.5 and DeepSeek V4 Flash Vision Exp?
Claude Haiku 5.5 is made by Anthropic and DeepSeek V4 Flash Vision Exp by DeepSeek. Claude Haiku 5.5 is 38% cheaper than DeepSeek V4 Flash Vision Exp at the headline price ($0.20 / 1M tokens vs $0.3234 / 1M tokens). DeepSeek V4 Flash Vision Exp reads more per request: 1.05M tokens against 1M. Claude Haiku 5.5 is the newer model (October 2026, against Aug 21, 2026). Only Claude Haiku 5.5 offers batch api.
How much do Claude Haiku 5.5 and DeepSeek V4 Flash Vision Exp cost per month?
At 20 million input and 5 million output tokens a month, Claude Haiku 5.5 costs $4.50 and DeepSeek V4 Flash Vision Exp costs $7.55, at standard rates.
Which is newer, Claude Haiku 5.5 or DeepSeek V4 Flash Vision Exp?
Claude Haiku 5.5 was released on October 2026 and DeepSeek V4 Flash Vision Exp on Aug 21, 2026.