UsingOpenAI
GPT-4o
Recommended→
DeepSeek V4 Pro
DeepSeekOpen-weight flagship with 1M context, native reasoning mode, and strong agentic coding.
Input / 1M
$1.69 / 1M
Output / 1M
$3.38 / 1M
Also consider·Qwen3.5-397B-A17BAlibaba$0.600 / 1M
OpenAI alternatives
Beyond OpenAI. One API. all leading models.
Route GPT-4o, GPT-5, and o3 alongside Claude, DeepSeek, Qwen and Kimi through one OpenAI-compatible gateway. Pay per token, no code rewrites.
Competitor → Thalam alternative
For every model, we map to the closest in-class equivalent.
UsingOpenAI
GPT-4o mini
Recommended→
DeepSeek V4 Flash
DeepSeekFast general model with reasoning mode and a 1M-token context window.
Input / 1M
$0.140 / 1M
Output / 1M
$0.280 / 1M
Also consider·DeepSeek V3.2DeepSeek$0.270 / 1M
UsingOpenAI
o1 / o3 (reasoning)
Recommended→
DeepSeek V4 Pro
DeepSeekNative reasoning mode with strong math, STEM, and multi-step logic. 1M context window.
Input / 1M
$1.69 / 1M
Output / 1M
$3.38 / 1M
Also consider·DeepSeek R1 0528DeepSeek$0.700 / 1M
UsingOpenAI
GPT-5 / GPT-5 mini
Recommended→
DeepSeek V4 Pro
DeepSeekFrontier-tier general intelligence with 1M context and toggleable reasoning depth.
Input / 1M
$1.69 / 1M
Output / 1M
$3.38 / 1M
Also consider·Qwen3.5-397B-A17BAlibaba$0.600 / 1M
Two lines. Really.
Change base_url and your API key. Every OpenAI SDK works unchanged.
migrate.py
from openai import OpenAI
client = OpenAI(
base_url="https://api.thalam.ai/v1",
api_key="tl-live-...", # your Thalam key
)
response = client.chat.completions.create(
model="deepseek/deepseek-v3.2",
messages=[{"role": "user", "content": "Hello"}],
)