Nomic Embed Text v1.5 vs InternLM 2.5 20B
Compare Nomic Embed Text v1.5 and InternLM 2.5 20B: 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 | Nomic Embed Text v1.5 | InternLM 2.5 20B |
|---|---|---|
| Category | Embedding | Open Source |
| Parameters | 137M | 20B |
| Context Window | 8K | 256K |
| Input Price | $0.001/1M tokens | $0.02/1M tokens |
| Output Price | N/A/1M tokens | $0.04/1M tokens |
| Latency | ~10ms | ~180ms |
Choose Nomic Embed Text v1.5 when:
- ✓ Long document embedding
- ✓ Semantic search
- ✓ Clustering
8K context, Very low cost, Fast
Choose InternLM 2.5 20B when:
- ✓ Long context tasks
- ✓ Research
- ✓ Multilingual
256K context, Strong reasoning, Good multilingual
Verdict: Nomic Embed Text v1.5 vs InternLM 2.5 20B
For cost efficiency, Nomic Embed Text v1.5 wins at $0.001/1M input tokens. For speed, Nomic Embed Text v1.5 is faster at ~10ms. Nomic Embed Text v1.5 excels at Long document embedding while InternLM 2.5 20B is better for Long context tasks. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Nomic Embed Text v1.5 costs $0.001/1M input tokens and N/A/1M output tokens. InternLM 2.5 20B costs $0.02 input and $0.04 output. Nomic Embed Text v1.5 is 20.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Nomic Embed Text v1.5 has a 8K context window with ~10ms latency. InternLM 2.5 20B offers 256K context at ~180ms. InternLM 2.5 20B has the larger context window.
Best For
Nomic Embed Text v1.5 (Embedding) is optimized for: Long document embedding, Semantic search, Clustering. InternLM 2.5 20B (Open Source) works best for: Long context tasks, Research, Multilingual.
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 Nomic Embed Text v1.5
response_a = client.chat.completions.create(
model="nomic-embed-text-v1-5",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use InternLM 2.5 20B
response_b = client.chat.completions.create(
model="internlm-2-5-20b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Nomic Embed Text v1.5 or InternLM 2.5 20B?
Nomic Embed Text v1.5 (Embedding, 137M) offers 8K context. InternLM 2.5 20B (Open Source, 20B) offers 256K context. Choose Nomic Embed Text v1.5 for Long document embedding or InternLM 2.5 20B for Long context tasks.
How much does Nomic Embed Text v1.5 cost vs InternLM 2.5 20B?
Nomic Embed Text v1.5: $0.001/1M input, N/A/1M output. InternLM 2.5 20B: $0.02/1M input, $0.04/1M 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 Nomic Embed Text v1.5 and InternLM 2.5 20B 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.