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Claude 3.5 Haiku vs GPT-6.1 Terra

GPT-6.1 Terra leads the LLM Stats Score 47.5 to 4.6. Claude 3.5 Haiku is 1.3x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

GPT-6.1 Terra leads the overall LLM Stats Score 47.5 to 4.6, ranking #36 overall.

On price, Claude 3.5 Haiku is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6.1 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3.5 Haiku

  • cost matters — it's about 1.3x cheaper per token

Choose GPT-6.1 Terra

  • overall performance matters — it scores 47.5 and ranks #36 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
4.6
#335
47.5
#36
4.8
#329
49.0
#19
3.8
#244
37.1
#30
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.80 / M
$1.00 / M
Output price
$4.00 / M
$5.00 / M
Context window
200,000
1,050,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3.5 Haiku
GPT-6.1 Terra
-4.8#223
33.3#5
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Claude 3.5 Haiku · 8 for GPT-6.1 Terra

No common benchmarks found

Claude 3.5 Haiku and GPT-6.1 Terradon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Claude 3.5 Haiku costs less

For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 1.3x cheaper than GPT-6.1 Terra ($1.00/1M tokens).

For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 1.3x cheaper than GPT-6.1 Terra ($5.00/1M tokens).

In conclusion, GPT-6.1 Terra is more expensive than Claude 3.5 Haiku.*

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

Lowest available price from all providers
Thu Oct 29 2026 • llm-stats.com
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
OpenAI
GPT-6.1 Terra
Input tokens$1.00
Output tokens$5.00
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6.1 Terra accepts 1,050,000 input tokens compared to Claude 3.5 Haiku's 200,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while GPT-6.1 Terra is limited to 128,000 tokens.

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
OpenAI
GPT-6.1 Terra
Input1,050,000 tokens
Output128,000 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6.1 Terra supports multimodal inputs, whereas Claude 3.5 Haiku does not.

GPT-6.1 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.5 Haiku

Text
Images
Audio
Video

GPT-6.1 Terra

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3.5 Haiku

Proprietary

Closed source

GPT-6.1 Terra

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while GPT-6.1 Terra was released on 2026-10-26.

GPT-6.1 Terra is 24 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

2.0 years ago

GPT-6.1 Terra

Oct 26, 2026

3 days ago

2.0yr newer

Knowledge Cutoff

When training data ends

GPT-6.1 Terra has a documented knowledge cutoff of 2026-06-01, while Claude 3.5 Haiku's cutoff date is not specified.

We can confirm GPT-6.1 Terra's training data extends to 2026-06-01, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.

Claude 3.5 Haiku

—

GPT-6.1 Terra

Jun 2026

Provider Availability

Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. GPT-6.1 Terra is available from OpenAI.

Claude 3.5 Haiku

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

GPT-6.1 Terra

openai logo
OpenAI
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude 3.5 Haiku and GPT-6.1 Terra side-by-side, then vote on the output you prefer.

Claude 3.5 Haiku
✓ Preferred
GPT-6.1 Terra
Open in Playground

FAQ

Common questions about Claude 3.5 Haiku vs GPT-6.1 Terra.

Which is better, Claude 3.5 Haiku or GPT-6.1 Terra?

GPT-6.1 Terra leads the LLM Stats Score 47.5 to 4.6. Claude 3.5 Haiku is made by Anthropic and GPT-6.1 Terra is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3.5 Haiku compare to GPT-6.1 Terra in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. GPT-6.1 Terra scores HealthBench Consensus: 95.1%, HealthBench Professional: 62.7%, Agents' Last Exam: 60.0%, Terminal-Bench-Science 0.1: 58.3%, MentalHealthBench: 55.5%.

Is Claude 3.5 Haiku cheaper than GPT-6.1 Terra?

Claude 3.5 Haiku is 1.3x cheaper for input tokens. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock. GPT-6.1 Terra costs $1.00/M input and $5.00/M output via openai.

What are the context window sizes for Claude 3.5 Haiku and GPT-6.1 Terra?

Claude 3.5 Haiku supports 200K tokens and GPT-6.1 Terra supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.5 Haiku and GPT-6.1 Terra?

Key differences include LLM Stats Score (4.6 vs 47.5), context window (200K vs 1.1M), input pricing ($0.80 vs $1.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Haiku and GPT-6.1 Terra?

Claude 3.5 Haiku is developed by Anthropic and GPT-6.1 Terra is developed by OpenAI.