OpenAI: GPT-3.5 Turbo vs NousResearch: Hermes 2 Pro - Llama-3 8B: Which AI Model Is Better?

Updated March 2026· Based on independent benchmark data

Quick Verdict

NousResearch: Hermes 2 Pro - Llama-3 8B is 3.6x cheaper at $0.14/1M tokens vs $0.50/1M.

Head-to-Head Comparison

MetricOpenAI: GPT-3.5 TurboNousResearch: Hermes 2 Pro - Llama-3 8B
Intelligence ScoreN/AN/A
Coding ScoreN/AN/A
Math ScoreN/AN/A
Speed (tok/s)N/AN/A
Latency (TTFT)N/AN/A
Input Price / 1M tokens$0.50$0.14
Output Price / 1M tokens$1.50$0.14
Context Window16K8K
Max Output Tokens4K8K
Input ModalitiesTextText
Output ModalitiesTextText
Free TierNoNo

Detailed Analysis

Pricing

NousResearch: Hermes 2 Pro - Llama-3 8B is more affordable at $0.14/1M input tokens ($0.14/1M output), while OpenAI: GPT-3.5 Turbo costs $0.50/1M input ($1.50/1M output). That makes OpenAI: GPT-3.5 Turbo 3.6x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-3.5 Turbo would cost approximately $3.00/month vs $0.84/month for NousResearch: Hermes 2 Pro - Llama-3 8B in input costs alone.

Context Window

OpenAI: GPT-3.5 Turbo offers a larger context window at 16K tokens compared to NousResearch: Hermes 2 Pro - Llama-3 8B's 8K. This means OpenAI: GPT-3.5 Turbo can process roughly 8 pages of text in a single request vs 4 pages for NousResearch: Hermes 2 Pro - Llama-3 8B. For output length, NousResearch: Hermes 2 Pro - Llama-3 8B can generate up to 8K tokens per response vs 4K for OpenAI: GPT-3.5 Turbo.

Best Use Cases

Choose OpenAI: GPT-3.5 Turbo when you need larger context window (16K). Choose NousResearch: Hermes 2 Pro - Llama-3 8B when you need lower cost.

Choose OpenAI: GPT-3.5 Turbo if:

  • You need a larger context window (16K vs 8K)

Choose NousResearch: Hermes 2 Pro - Llama-3 8B if:

  • Budget is a concern ($0.14/1M vs $0.50/1M)

Frequently Asked Questions

Which is cheaper, OpenAI: GPT-3.5 Turbo or NousResearch: Hermes 2 Pro - Llama-3 8B?

NousResearch: Hermes 2 Pro - Llama-3 8B is cheaper at $0.14/1M input tokens vs $0.50/1M for OpenAI: GPT-3.5 Turbo.

Can OpenAI: GPT-3.5 Turbo process images?

No, OpenAI: GPT-3.5 Turbo does not support image input. Neither model supports image input.

Which has a larger context window, OpenAI: GPT-3.5 Turbo or NousResearch: Hermes 2 Pro - Llama-3 8B?

OpenAI: GPT-3.5 Turbo has a larger context window at 16K compared to NousResearch: Hermes 2 Pro - Llama-3 8B's 8K.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 2026