Llama-3.1-8B-Instruct vs GPT-4 Turbo
API pricing, benchmark indices and specs — updated 19 October 2026.
meta-llama · A · Open weights
Params
8.0 B
Context
—
30d
4.9 M
llama3.1 licence · conditional
openai · B · API-only
Input / 1M
$10.00
Output / 1M
$30.00
AA index
7
proprietary · 128K context
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | Llama-3.1-8B-Instruct | GPT-4 Turbo |
|---|---|---|
| Deployment | Open weights · also via API | API-only (closed weights) |
| Parameters | 8.0 B | n/a — API-only |
| Architecture | LlamaForCausalLM | n/a — API-only |
| Context length | 131,072 | 128,000 |
| Licence | llama3.1 | Proprietary |
| Commercial use | Conditional | Per API terms |
| Languages | 8 | n/a — API-only |
| Downloads 30d | 4,864,172 | n/a — API-only |
| Downloads all time | 191.0 M | n/a — API-only |
| Quantizations on the Hub | SAFETENSORS | n/a — API-only |
| Gated | Yes — accept licence | n/a — API-only |
| First seen on the Hub | 2024-07-18 | n/a — API-only |
| API input price / 1M tokens | $0.05 | $10.00 |
| API output price / 1M tokens | $0.08 | $30.00 |
| Est. cost per 1M input + 1M output tokens | $0.13 | $40.00 |
| Cached input / 1M tokens | $0.025 | — |
| AA Intelligence Index | 6.9 | 7 |
| AA Coding Index | 5.4 | 21.5 |
| AA Agentic Index | — | — |
| Max output tokens | 117,964 | 4,096 |
| API providers | 5 | 1 |
| Tool calling | Yes | Yes |
| Reasoning mode | No | No |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
Llama-3.1-8B-Instruct
$0.13
GPT-4 Turbo
$40.00
Llama-3.1-8B-Instruct is 307.7× cheaper at list price.
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
Llama-3.1-8B-Instruct · fp16
19.4 GB / 24 GB