Model Comparison

Claude Opus 4.5 vs Granite 3.3 8B InstructWhich is better in 2026?

Comparing Claude Opus 4.5 and Granite 3.3 8B Instruct across benchmarks, pricing, and capabilities.

Verdict: Claude Opus 4.5 vs Granite 3.3 8B Instruct — which is better?

Claude Opus 4.5 (by Anthropic) and Granite 3.3 8B Instruct (by IBM) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Granite 3.3 8B Instruct is roughly 20.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 4.5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Nov 2025

Choose Granite 3.3 8B Instruct if…

  • cost matters — it's about 20.0x cheaper per token
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 4.5 and Granite 3.3 8B Instruct don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Granite 3.3 8B Instruct costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 10.0x more expensive than Granite 3.3 8B Instruct ($0.50/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 50.0x more expensive than Granite 3.3 8B Instruct ($0.50/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than Granite 3.3 8B Instruct.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Jun 07 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
IBM
Granite 3.3 8B Instruct
Input tokens$0.50
Output tokens$0.50
Best providerReplicate
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.5 accepts 200,000 input tokens compared to Granite 3.3 8B Instruct's 128,000 tokens. Claude Opus 4.5 can generate longer responses up to 64,000 tokens, while Granite 3.3 8B Instruct is limited to 8,192 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
IBM
Granite 3.3 8B Instruct
Input128,000 tokens
Output8,192 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.5 and Granite 3.3 8B Instruct support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 4.5

Text
Images
Audio
Video

Granite 3.3 8B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 is licensed under a proprietary license, while Granite 3.3 8B Instruct uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Opus 4.5

Proprietary

Closed source

Granite 3.3 8B Instruct

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while Granite 3.3 8B Instruct was released on 2025-04-16.

Claude Opus 4.5 is 7 months newer than Granite 3.3 8B Instruct.

Claude Opus 4.5

Nov 24, 2025

6 months ago

7mo newer
Granite 3.3 8B Instruct

Apr 16, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a knowledge cutoff of 2025-03-31, while Granite 3.3 8B Instruct has a cutoff of 2024-04-01.

Claude Opus 4.5 has more recent training data (up to 2025-03-31), making it potentially better informed about events through that date compared to Granite 3.3 8B Instruct (2024-04-01).

Claude Opus 4.5

Mar 2025

11 mo newer
Granite 3.3 8B Instruct

Apr 2024

Provider Availability

Claude Opus 4.5 is available from Anthropic. Granite 3.3 8B Instruct is available from Replicate.

Claude Opus 4.5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

Granite 3.3 8B Instruct

replicate logo
Replicate
Input Price:Input: $0.50/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
IBM
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
IBM
Granite 3.3 8B Instruct

FAQ

Common questions about Claude Opus 4.5 vs Granite 3.3 8B Instruct.

Which is better, Claude Opus 4.5 or Granite 3.3 8B Instruct?

Claude Opus 4.5 (Anthropic) and Granite 3.3 8B Instruct (IBM) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Opus 4.5 compare to Granite 3.3 8B Instruct in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. Granite 3.3 8B Instruct scores HumanEval: 89.7%, AttaQ: 88.5%, HumanEval+: 86.1%, AIME 2024: 81.2%, GSM8k: 80.9%.

Is Claude Opus 4.5 cheaper than Granite 3.3 8B Instruct?

Granite 3.3 8B Instruct is 10.0x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. Granite 3.3 8B Instruct costs $0.50/M input and $0.50/M output via replicate.

What are the context window sizes for Claude Opus 4.5 and Granite 3.3 8B Instruct?

Claude Opus 4.5 supports 200K tokens and Granite 3.3 8B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4.5 and Granite 3.3 8B Instruct?

Key differences include context window (200K vs 128K), input pricing ($5.00 vs $0.50/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and Granite 3.3 8B Instruct?

Claude Opus 4.5 is developed by Anthropic and Granite 3.3 8B Instruct is developed by IBM.

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