Cohere Rerank 3.5 vs Inflection 3
Compare Cohere Rerank 3.5 and Inflection 3: 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 | Inflection 3 |
|---|---|---|
| Category | Reranking | Frontier |
| Parameters | ~600M | ~300B |
| Context Window | 4K | 128K |
| Input Price | $0.002/search/1M tokens | $0.06/1M tokens |
| Output Price | N/A/1M tokens | $0.12/1M tokens |
| Latency | ~25ms | ~400ms |
Choose Cohere Rerank 3.5 when:
- ✓ Search reranking
- ✓ RAG improvement
- ✓ Result quality
Higher quality, Multilingual, Fast
Choose Inflection 3 when:
- ✓ Counseling chatbots
- ✓ Spiritual guidance
- ✓ Emotional support
Empathetic responses, Strong conversation, Good EQ
Verdict: Cohere Rerank 3.5 vs Inflection 3
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 Inflection 3 is better for Counseling chatbots. 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. Inflection 3 costs $0.06 input and $0.12 output. Cohere Rerank 3.5 is 30.0x 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. Inflection 3 offers 128K context at ~400ms. Inflection 3 has the larger context window.
Best For
Cohere Rerank 3.5 (Reranking) is optimized for: Search reranking, RAG improvement, Result quality. Inflection 3 (Frontier) works best for: Counseling chatbots, Spiritual guidance, Emotional support.
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 Inflection 3
response_b = client.chat.completions.create(
model="inflection-3",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Cohere Rerank 3.5 or Inflection 3?
Cohere Rerank 3.5 (Reranking, ~600M) offers Higher quality. Inflection 3 (Frontier, ~300B) offers Empathetic responses. Choose Cohere Rerank 3.5 for Search reranking or Inflection 3 for Counseling chatbots.
How much does Cohere Rerank 3.5 cost vs Inflection 3?
Cohere Rerank 3.5: $0.002/search/1M input, N/A/1M output. Inflection 3: $0.06/1M input, $0.12/1M 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 Inflection 3 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.