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Reflection AI apache_2_0 Released Oct 16, 2026 Updated

Beam 1.0

ToolsGuide Scores, rankings, test results and price.

Model summary

  • Text #84 / 419

    390 / 1,000

    ToolsGuide Score· votes 375, tests 406

  • Coding #86 / 151

    299 / 1,000

    ToolsGuide Score· votes 309, tests 292

  • Agents #42 / 57

    423 / 1,000

    ToolsGuide Score· votes 430, tests 420

  • Price per 1M tokens

    In $0.40· Out $1.20

    $0.40

    Input · median text model $0.44

Summary

Beam 1.0 is Reflection AI's model, released Oct 16, 2026. It's ranked in 3 categories and does best at text: #84 of 419, with a ToolsGuide Score of 390 against a median of 252.

It also ranks #86 of 151 for coding (299), #42 of 57 for agents (423).

It costs $0.40 per million input tokens and $1.20 per million output tokens, close to the median text model ($0.44).

It has published results on 22 tests and has the top score on 1 of them, including LongBench v2.

Specifications

Creator
Reflection AI
Licence
apache_2_0
Released
Oct 16, 2026
Context window
1M tokens
Input price
$0.40 / 1M
Output price
$1.20 / 1M
Tests reported
22
Settings ranked
Beam 1.0 501B A23B

Model comparison

Against the ten best text models.

Text score

ToolsGuide Score out of 1,000 · Higher is better

Coding score

ToolsGuide Score out of 1,000 · Higher is better

Input price

USD per 1M input tokens · Lower is better

Leaderboards

Where Beam 1.0 sits among the top 20 in each category.

Text

#84 of 419 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model

Full text leaderboard →

Coding

#86 of 151 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model

Full coding leaderboard →

Agents

#42 of 57 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model

Full agents leaderboard →

By task

Scored from votes on each kind of prompt alone, on the same 1,000-point scale.

Score against price

Text · the 10 priced models ranked closest · up and to the left is better value

Against its nearest rivals

Text prompts by kind · ToolsGuide Score from votes · hover for values

Text

Beam 1.0 501B A23B · hover a bar for its rank

Coding

Beam 1.0 501B A23B · hover a bar for its rank

Test results

Every test Beam 1.0 has a published result on, out of 100%, with its rank among the models that took it.

  • GPQA

    #25 / 265

    Graduate-level science questions written to be hard to look up.

    90.6%

    Self-reported

  • SWE-Bench Verified

    #7 / 123

    Fixing real bugs in real GitHub projects, checked by the projects' own tests.

    81.6%

    Self-reported

  • Humanity's Last Exam

    #48 / 115

    Humanity's Last Exam (HLE) is a multi-modal academic benchmark with 2,500 questions across mathematics, humanities, and natural sciences, designed to test LLM capabilities at the frontier of human knowledge with unambiguous, verifiable solutions

    36.0%

    Self-reported · In the text score· In the vision score

  • LiveCodeBench

    #5 / 77

    LiveCodeBench is a holistic and contamination-free evaluation benchmark for large language models for code. It continuously collects new problems from programming contests (LeetCode, AtCoder, CodeForces) and evaluates four different scenarios: code generation, self-repair, code execution, and test output prediction. Problems are annotated with release dates to enable evaluation on unseen problems released after a model's training cutoff.

    88.3%

    Self-reported

  • BrowseComp

    #29 / 73

    Finding hard-to-locate facts by browsing the web.

    76.8%

    Self-reported · In the agents score

  • SWE-Bench Pro

    #7 / 63

    Harder, longer software engineering tasks from real codebases.

    66.1%

    Self-reported · In the coding score

  • Terminal-Bench 2.1

    #24 / 53

    Terminal-Bench 2.1 is an updated release of the Terminal-Bench benchmark that tests AI agents' ability to operate a computer via the terminal. It evaluates how well models handle real-world, end-to-end tasks autonomously, including compiling code, training models, setting up servers, system administration, data science workflows, and security tasks.

    80.1%

    Self-reported

  • DeepSWE 1.1

    #46 / 52

    DeepSWE 1.1 evaluates software engineering agents using the mini-swe-agent harness.

    43.3%

    Self-reported · In the coding score

  • SWE-bench Multilingual

    #10 / 50

    A multilingual benchmark for issue resolving in software engineering that covers Java, TypeScript, JavaScript, Go, Rust, C, and C++. Contains 1,632 high-quality instances carefully annotated from 2,456 candidates by 68 expert annotators, designed to evaluate Large Language Models across diverse software ecosystems beyond Python.

    78.3%

    Self-reported

  • IFBench

    #9 / 46

    Instruction Following Benchmark evaluating model's ability to follow complex instructions

    79.6%

    Self-reported

  • MCP Atlas

    #8 / 39

    MCP Atlas is a benchmark for evaluating AI models on scaled tool use capabilities, measuring how well models can coordinate and utilize multiple tools across complex multi-step tasks.

    80.8%

    Self-reported

  • SciCode

    #9 / 36

    SciCode is a research coding benchmark curated by scientists that challenges language models to code solutions for scientific problems. It contains 338 subproblems decomposed from 80 challenging main problems across 16 natural science sub-fields including mathematics, physics, chemistry, biology, and materials science. Problems require knowledge recall, reasoning, and code synthesis skills.

    49.2%

    Self-reported

  • AA-LCR

    #3 / 31

    Agent Arena Long Context Reasoning benchmark

    78.2%

    Self-reported

  • AIME 2026

    #2 / 28

    All 30 problems from the 2026 American Invitational Mathematics Examination (AIME I and AIME II), testing olympiad-level mathematical reasoning with integer answers from 000-999. Used as an AI benchmark to evaluate large language models' ability to solve complex mathematical problems requiring multi-step logical deductions and structured symbolic reasoning.

    97.7%

    Self-reported

  • AutomationBench

    #12 / 27

    AutomationBench is a tool-use benchmark that evaluates AI agents on automating real-world workflows, testing their ability to orchestrate tools and complete multi-step automation tasks.

    39.3%

    Self-reported · In the agents score

  • LongBench v2

    #1 / 25

    LongBench v2 is a benchmark designed to assess the ability of LLMs to handle long-context problems requiring deep understanding and reasoning across real-world multitasks. It consists of 503 challenging multiple-choice questions with contexts ranging from 8k to 2M words across six major task categories: single-document QA, multi-document QA, long in-context learning, long-dialogue history understanding, code repository understanding, and long structured data understanding.

    67.5%

    Self-reported

  • Tau3 Banking

    #2 / 20

    τ³-Bench banking domain evaluates agentic models on multi-turn, tool-using customer-support scenarios in a simulated retail banking environment.

    36.1%

    Self-reported

  • DeepSearchQA

    #8 / 12

    DeepSearchQA is a benchmark for evaluating deep search and question-answering capabilities, testing models' ability to perform multi-hop reasoning and information retrieval across complex knowledge domains.

    80.5%

    Self-reported

  • CritPT

    #3 / 10

    CritPT is a challenging reasoning benchmark reported by Qwen for evaluating frontier mathematical and critical problem-solving capability.

    16.3%

    Self-reported

  • SWE Atlas - Codebase QnA

    #7 / 7

    SWE Atlas - Codebase QnA evaluates a model's ability to answer questions about real codebases, measuring repository-level comprehension and the ability to reason about code structure, behavior, and intent across an entire project.

    31.8%

    Self-reported

  • Humanity's Last Exam (with tools)

    #6 / 6

    Full multimodal Humanity's Last Exam evaluated with tool use enabled, distinct from its text-only subset.

    51.1%

    Self-reported

  • AA-Omniscience Index

    #3 / 5

    AA-Omniscience Index is Artificial Analysis's knowledge-reliability metric. It rewards correct answers, penalizes hallucinations, and does not penalize abstention. Scores range from -100 to 100, where 0 means as many correct as incorrect answers.

    5.4%

    Self-reported