Cohere Rerank 3.5 vs Dolphin 2.9.3 72B
Compare Cohere Rerank 3.5 and Dolphin 2.9.3 72B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.
Updated 2026-05-21 · By Abhishek Raj · Our methodology
| Feature | Cohere Rerank 3.5 | Dolphin 2.9.3 72B |
|---|---|---|
| Category | Reranking | Open Source |
| Parameters | ~600M | 72B |
| Context Window | 4K | 128K |
| Input Price | $0.002/search/1M tokens | $0.04/1M tokens |
| Output Price | N/A/1M tokens | $0.08/1M tokens |
| Latency | ~25ms | ~350ms |
Choose Cohere Rerank 3.5 when:
- ✓ Search reranking
- ✓ RAG improvement
- ✓ Result quality
Higher quality, Multilingual, Fast
Choose Dolphin 2.9.3 72B when:
- ✓ Creative writing
- ✓ Unrestricted generation
- ✓ Research
Uncensored, Strong instruction following, Versatile
Verdict: Cohere Rerank 3.5 vs Dolphin 2.9.3 72B
For cost efficiency, Cohere Rerank 3.5 wins at $0.002/search/1M input tokens. For speed, Cohere Rerank 3.5 is faster at ~25ms. Cohere Rerank 3.5 excels at Search reranking while Dolphin 2.9.3 72B is better for Creative writing. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Cohere Rerank 3.5 costs $0.002/search/1M input tokens and N/A/1M output tokens. Dolphin 2.9.3 72B costs $0.04 input and $0.08 output. Cohere Rerank 3.5 is 20.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Cohere Rerank 3.5 has a 4K context window with ~25ms latency. Dolphin 2.9.3 72B offers 128K context at ~350ms. Dolphin 2.9.3 72B has the larger context window.
Best For
Cohere Rerank 3.5 (Reranking) is optimized for: Search reranking, RAG improvement, Result quality. Dolphin 2.9.3 72B (Open Source) works best for: Creative writing, Unrestricted generation, Research.
Try Both on XALEN
Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:
from xalen import XALEN
client = XALEN(api_key="xln_test_YOUR_KEY")
# Use Cohere Rerank 3.5
response_a = client.chat.completions.create(
model="rerank-v3-5",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Dolphin 2.9.3 72B
response_b = client.chat.completions.create(
model="dolphin-2-9-3-72b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Cohere Rerank 3.5 or Dolphin 2.9.3 72B?
Cohere Rerank 3.5 (Reranking, ~600M) offers Higher quality. Dolphin 2.9.3 72B (Open Source, 72B) offers Uncensored. Choose Cohere Rerank 3.5 for Search reranking or Dolphin 2.9.3 72B for Creative writing.
How much does Cohere Rerank 3.5 cost vs Dolphin 2.9.3 72B?
Cohere Rerank 3.5: $0.002/search/1M input, N/A/1M output. Dolphin 2.9.3 72B: $0.04/1M input, $0.08/1M output. Both available on XALEN with batch processing at 50% discount.
Can I use both models on XALEN?
Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Cohere Rerank 3.5 and Dolphin 2.9.3 72B by changing the model parameter. No code changes needed.
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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.