Model comparison
Claude Haiku 4.5 Thinking vs DeepSeek V4 Pro Base
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Evidence parity. Claude Haiku 4.5 Thinking and DeepSeek V4 Pro Base share 0 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to Claude Haiku 4.5 Thinking; 24 to DeepSeek V4 Pro Base.
Updated July 23, 2026- Shared results
- 0
- Claude Haiku 4.5 Thinking only
- 2
- DeepSeek V4 Pro Base only
- 24
- Comparable categories
- 0 / 8
Benchmark data for Claude Haiku 4.5 Thinking and DeepSeek V4 Pro Base is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
DeepSeek V4 Pro Base has the larger context window at 1M, compared with 200K for Claude Haiku 4.5 Thinking.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Haiku 4.5 Thinking | DeepSeek V4 Pro Base | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Haiku 4.5 ThinkingNot available | DeepSeek V4 Pro BaseNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Haiku 4.5 ThinkingNot available | DeepSeek V4 Pro BaseNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Haiku 4.5 ThinkingNot available | DeepSeek V4 Pro BaseNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Haiku 4.5 Thinking200K | DeepSeek V4 Pro Base1M | DeepSeek V4 Pro Base lists the larger context window. |
Benchmark Deep Dive
Coding3 benchmarks
Reasoning6 benchmarks
Knowledge12 benchmarks
| Benchmark | Claude Haiku 4.5 Thinking | DeepSeek V4 Pro Base | Result |
|---|---|---|---|
| AGIEvalSource | — | 83.1% | Not comparable |
| MMLUSource | — | 90.1% | Not comparable |
| MMLU-ReduxSource | — | 90.8% | Not comparable |
| MMLU-ProSource | — | 73.5% | Not comparable |
| MMMLUSource | — | 90.3% | Not comparable |
| C-EvalSource | — | 93.1% | Not comparable |
| CMMLUSource | — | 90.8% | Not comparable |
| MultiLoKoSource | — | 51.1% | Not comparable |
| SimpleQASource | — | 55.2% | Not comparable |
| SuperGPQASource | — | 53.9% | Not comparable |
| FACTS ParametricSource | — | 62.6% | Not comparable |
| TriviaQASource | — | 85.6% | Not comparable |
Math3 benchmarks
Multilingual1 benchmarks
| Benchmark | Claude Haiku 4.5 Thinking | DeepSeek V4 Pro Base | Result |
|---|---|---|---|
| MGSMSource | — | 84.4% | Not comparable |
Multimodal1 benchmarks
| Benchmark | Claude Haiku 4.5 Thinking | DeepSeek V4 Pro Base | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 1152 | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Claude Haiku 4.5 Thinking and DeepSeek V4 Pro Base on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude Haiku 4.5 Thinking and DeepSeek V4 Pro Base today?
DeepSeek V4 Pro Base: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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