Every meaningful free LLM tier, current as of August 2026. No mainstream provider is truly unlimited — each enforces request/token rate limits. Card-required tiers are marked. Free tiers change often; verify on the provider page before relying on them.
Gemini Flash
1500 req/day · 10 RPM
✅ no card required
Most accessible baseline. No card for the free tier.
Llama 3.3 70B · GPT-OSS
30 RPM · ~1k req/day
✅ no card required
Fast LPU inference. Per-model quota resets.
gpt-oss-120b · zai-glm-4.7
5 RPM · ~1M tok/day
✅ no card required
Highest free daily token volume.
50+ models
several free models
✅ no card required
One key, free open-source models, no card.
wide open + proprietary
free prototyping
✅ no card required
Try many models in-browser.
Sonnet 4.6 free ~ via chat
API trial credits
⬆ card required
Small one-time API credits; Sonnet free in claude.ai.
GPT-5 family
data-sharing tokens
⬆ card required
Limited / inconsistent trial; not reliable for volume.
Mistral Small / Large
trial credits
⬆ card required
EU-friendly; Experiment tier gives a monthly token budget.
Command R / R+
trial credits
⬆ card required
RAG-first stacks.
DeepSeek V4 (open)
pay-as-you-go (cheap)
⬆ card required
Open weights, ~$0.30/M — the low-cost open alternative.
Grok (latest)
limited free credits
⬆ card required
Bundled with X integration.
GPT · Llama · Mistral
100+ models free
✅ no card required
Free via GitHub account.
thousands open
rate-limited free
✅ no card required
Open-weights inference for niche models.
100+ open models
small free credits
⬆ card required
Fine-tuning + inference.
How this fits DiscountedTokens
Free tiers are great for experiments, prototypes, and burst testing — but they cap out, and rate limits are per-model and per-minute. When you need consistent frontier quality without rate-limit whiplash, prepaid discounted credits on a single key win. Our GPT-5.x below:
| Model | You pay /M | Market /M | Save | You pay /M | Market /M | Save |
|---|
| input | input | | output | output | |
| GPT-5.6 gpt-5.6 |
$0.800 | $1.86 | 57% |
$4.800 | $9.30 | 48% |
| GPT-5.6 Sol gpt-5.6-sol |
$0.800 | $2.05 | 61% |
$4.800 | $10.25 | 53% |
| GPT-5.6 Terra gpt-5.6-terra |
$0.320 | $0.89 | 64% |
$1.920 | $4.45 | 57% |
| GPT-5.5 gpt-5.5 |
$0.800 | $1.82 | 56% |
$4.800 | $9.10 | 47% |
| GPT-5.4 gpt-5.4 |
$0.400 | $1.08 | 63% |
$2.400 | $6.50 | 63% |
| GPT-5.4 Mini gpt-5.4-mini |
$0.120 | $0.35 | 66% |
$0.720 | $2.10 | 66% |